Home / 113,732.75-156,951.20-63,431.75

Finding the Fourth Proportional to 113,732.75, 156,951.20 and 63,431.75

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Solution

The fourth proportional to 113,732.75, 156,951.20 and 63,431.75 is: 87,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,732.75 : 156,951.20 = 63,431.75 : x
  2. Step 2: Convert to fraction form
    113,732.75/156,951.20 = 63,431.75/x
  3. Step 3: Cross multiply
    113,732.75x = 156,951.20 × 63,431.75
  4. Step 4: Simplify right side
    113,732.75x = 9,955,688,963.44
  5. Step 5: Solve for x
    x = 9,955,688,963.44/113,732.75
  6. Step 6: Final answer
    x = 87,535.82

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1.5x scale

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.