Home / 113,590.30-156,755.68-62,604.86

Finding the Fourth Proportional to 113,590.30, 156,755.68 and 62,604.86

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Solution

The fourth proportional to 113,590.30, 156,755.68 and 62,604.86 is: 86,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,590.30 : 156,755.68 = 62,604.86 : x
  2. Step 2: Convert to fraction form
    113,590.30/156,755.68 = 62,604.86/x
  3. Step 3: Cross multiply
    113,590.30x = 156,755.68 × 62,604.86
  4. Step 4: Simplify right side
    113,590.30x = 9,813,667,400.60
  5. Step 5: Solve for x
    x = 9,813,667,400.60/113,590.30
  6. Step 6: Final answer
    x = 86,395.29

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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.