Home / 502,744.47-754,159.76-142,916.68

Finding the Fourth Proportional to 502,744.47, 754,159.76 and 142,916.68

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Solution

The fourth proportional to 502,744.47, 754,159.76 and 142,916.68 is: 214,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,744.47 : 754,159.76 = 142,916.68 : x
  2. Step 2: Convert to fraction form
    502,744.47/754,159.76 = 142,916.68/x
  3. Step 3: Cross multiply
    502,744.47x = 754,159.76 × 142,916.68
  4. Step 4: Simplify right side
    502,744.47x = 107,782,008,535.68
  5. Step 5: Solve for x
    x = 107,782,008,535.68/502,744.47
  6. Step 6: Final answer
    x = 214,387.26

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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.