Home / 113,264.18-156,308.59-62,280.80

Finding the Fourth Proportional to 113,264.18, 156,308.59 and 62,280.80

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Solution

The fourth proportional to 113,264.18, 156,308.59 and 62,280.80 is: 85,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,264.18 : 156,308.59 = 62,280.80 : x
  2. Step 2: Convert to fraction form
    113,264.18/156,308.59 = 62,280.80/x
  3. Step 3: Cross multiply
    113,264.18x = 156,308.59 × 62,280.80
  4. Step 4: Simplify right side
    113,264.18x = 9,735,022,939.13
  5. Step 5: Solve for x
    x = 9,735,022,939.13/113,264.18
  6. Step 6: Final answer
    x = 85,949.71

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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.