Home / 113,294.24-156,347.86-62,309.20

Finding the Fourth Proportional to 113,294.24, 156,347.86 and 62,309.20

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Solution

The fourth proportional to 113,294.24, 156,347.86 and 62,309.20 is: 85,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,294.24 : 156,347.86 = 62,309.20 : x
  2. Step 2: Convert to fraction form
    113,294.24/156,347.86 = 62,309.20/x
  3. Step 3: Cross multiply
    113,294.24x = 156,347.86 × 62,309.20
  4. Step 4: Simplify right side
    113,294.24x = 9,741,910,078.31
  5. Step 5: Solve for x
    x = 9,741,910,078.31/113,294.24
  6. Step 6: Final answer
    x = 85,987.69

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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.