Home / 189,581.28-284,266.08-119,310

Finding the Fourth Proportional to 189,581.28, 284,266.08 and 119,310

Calculator

Solution

The fourth proportional to 189,581.28, 284,266.08 and 119,310 is: 178,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,581.28 : 284,266.08 = 119,310 : x
  2. Step 2: Convert to fraction form
    189,581.28/284,266.08 = 119,310/x
  3. Step 3: Cross multiply
    189,581.28x = 284,266.08 × 119,310
  4. Step 4: Simplify right side
    189,581.28x = 33,915,786,004.80
  5. Step 5: Solve for x
    x = 33,915,786,004.80/189,581.28
  6. Step 6: Final answer
    x = 178,898.39

Related Problems

Find fourth proportional to 94,790.64, 142,133.04 and 59,655
Half scale
Find fourth proportional to 379,162.56, 568,532.16 and 238,620
Double scale
Find fourth proportional to 189,582.28, 284,267.58 and 119,311
Similar ratio
Find fourth proportional to 284,371.92, 426,399.12 and 178,965
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.