Home / 111,970-167,958.24-28,864

Finding the Fourth Proportional to 111,970, 167,958.24 and 28,864

Calculator

Solution

The fourth proportional to 111,970, 167,958.24 and 28,864 is: 43,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,970 : 167,958.24 = 28,864 : x
  2. Step 2: Convert to fraction form
    111,970/167,958.24 = 28,864/x
  3. Step 3: Cross multiply
    111,970x = 167,958.24 × 28,864
  4. Step 4: Simplify right side
    111,970x = 4,847,946,639.36
  5. Step 5: Solve for x
    x = 4,847,946,639.36/111,970
  6. Step 6: Final answer
    x = 43,296.84

Related Problems

Find fourth proportional to 55,985, 83,979.12 and 14,432
Half scale
Find fourth proportional to 223,940, 335,916.48 and 57,728
Double scale
Find fourth proportional to 111,971, 167,959.74 and 28,865
Similar ratio
Find fourth proportional to 167,955, 251,937.36 and 43,296
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.