Home / 113,270.31-156,316.42-62,280.40

Finding the Fourth Proportional to 113,270.31, 156,316.42 and 62,280.40

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Solution

The fourth proportional to 113,270.31, 156,316.42 and 62,280.40 is: 85,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,270.31 : 156,316.42 = 62,280.40 : x
  2. Step 2: Convert to fraction form
    113,270.31/156,316.42 = 62,280.40/x
  3. Step 3: Cross multiply
    113,270.31x = 156,316.42 × 62,280.40
  4. Step 4: Simplify right side
    113,270.31x = 9,735,449,164.17
  5. Step 5: Solve for x
    x = 9,735,449,164.17/113,270.31
  6. Step 6: Final answer
    x = 85,948.82

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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.