Home / 113,614.62-156,789.30-62,629.14

Finding the Fourth Proportional to 113,614.62, 156,789.30 and 62,629.14

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Solution

The fourth proportional to 113,614.62, 156,789.30 and 62,629.14 is: 86,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,614.62 : 156,789.30 = 62,629.14 : x
  2. Step 2: Convert to fraction form
    113,614.62/156,789.30 = 62,629.14/x
  3. Step 3: Cross multiply
    113,614.62x = 156,789.30 × 62,629.14
  4. Step 4: Simplify right side
    113,614.62x = 9,819,579,020.20
  5. Step 5: Solve for x
    x = 9,819,579,020.20/113,614.62
  6. Step 6: Final answer
    x = 86,428.83

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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.