Home / 91,092.06-136,652.58-38,502

Finding the Fourth Proportional to 91,092.06, 136,652.58 and 38,502

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Solution

The fourth proportional to 91,092.06, 136,652.58 and 38,502 is: 57,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,092.06 : 136,652.58 = 38,502 : x
  2. Step 2: Convert to fraction form
    91,092.06/136,652.58 = 38,502/x
  3. Step 3: Cross multiply
    91,092.06x = 136,652.58 × 38,502
  4. Step 4: Simplify right side
    91,092.06x = 5,261,397,635.16
  5. Step 5: Solve for x
    x = 5,261,397,635.16/91,092.06
  6. Step 6: Final answer
    x = 57,759.12

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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.