Home / 113,642.28-156,827.19-62,656.83

Finding the Fourth Proportional to 113,642.28, 156,827.19 and 62,656.83

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Solution

The fourth proportional to 113,642.28, 156,827.19 and 62,656.83 is: 86,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,642.28 : 156,827.19 = 62,656.83 : x
  2. Step 2: Convert to fraction form
    113,642.28/156,827.19 = 62,656.83/x
  3. Step 3: Cross multiply
    113,642.28x = 156,827.19 × 62,656.83
  4. Step 4: Simplify right side
    113,642.28x = 9,826,294,583.21
  5. Step 5: Solve for x
    x = 9,826,294,583.21/113,642.28
  6. Step 6: Final answer
    x = 86,466.89

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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.