Home / 91,454.16-137,186.60-35,294.56

Finding the Fourth Proportional to 91,454.16, 137,186.60 and 35,294.56

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Solution

The fourth proportional to 91,454.16, 137,186.60 and 35,294.56 is: 52,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,454.16 : 137,186.60 = 35,294.56 : x
  2. Step 2: Convert to fraction form
    91,454.16/137,186.60 = 35,294.56/x
  3. Step 3: Cross multiply
    91,454.16x = 137,186.60 × 35,294.56
  4. Step 4: Simplify right side
    91,454.16x = 4,841,940,684.90
  5. Step 5: Solve for x
    x = 4,841,940,684.90/91,454.16
  6. Step 6: Final answer
    x = 52,943.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.