Home / 113,631.28-156,812.27-62,646.04

Finding the Fourth Proportional to 113,631.28, 156,812.27 and 62,646.04

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Solution

The fourth proportional to 113,631.28, 156,812.27 and 62,646.04 is: 86,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,631.28 : 156,812.27 = 62,646.04 : x
  2. Step 2: Convert to fraction form
    113,631.28/156,812.27 = 62,646.04/x
  3. Step 3: Cross multiply
    113,631.28x = 156,812.27 × 62,646.04
  4. Step 4: Simplify right side
    113,631.28x = 9,823,667,425.68
  5. Step 5: Solve for x
    x = 9,823,667,425.68/113,631.28
  6. Step 6: Final answer
    x = 86,452.14

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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.