Home / 249,121.29-343,785.49-141,691.20

Finding the Fourth Proportional to 249,121.29, 343,785.49 and 141,691.20

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Solution

The fourth proportional to 249,121.29, 343,785.49 and 141,691.20 is: 195,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,121.29 : 343,785.49 = 141,691.20 : x
  2. Step 2: Convert to fraction form
    249,121.29/343,785.49 = 141,691.20/x
  3. Step 3: Cross multiply
    249,121.29x = 343,785.49 × 141,691.20
  4. Step 4: Simplify right side
    249,121.29x = 48,711,378,620.69
  5. Step 5: Solve for x
    x = 48,711,378,620.69/249,121.29
  6. Step 6: Final answer
    x = 195,532.78

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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.