Home / 144,267.91-199,145.25-129,133.87

Finding the Fourth Proportional to 144,267.91, 199,145.25 and 129,133.87

Calculator

Solution

The fourth proportional to 144,267.91, 199,145.25 and 129,133.87 is: 178,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,267.91 : 199,145.25 = 129,133.87 : x
  2. Step 2: Convert to fraction form
    144,267.91/199,145.25 = 129,133.87/x
  3. Step 3: Cross multiply
    144,267.91x = 199,145.25 × 129,133.87
  4. Step 4: Simplify right side
    144,267.91x = 25,716,396,824.62
  5. Step 5: Solve for x
    x = 25,716,396,824.62/144,267.91
  6. Step 6: Final answer
    x = 178,254.45

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.