Home / 91,781.54-137,673.84-25,221.26

Finding the Fourth Proportional to 91,781.54, 137,673.84 and 25,221.26

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Solution

The fourth proportional to 91,781.54, 137,673.84 and 25,221.26 is: 37,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,781.54 : 137,673.84 = 25,221.26 : x
  2. Step 2: Convert to fraction form
    91,781.54/137,673.84 = 25,221.26/x
  3. Step 3: Cross multiply
    91,781.54x = 137,673.84 × 25,221.26
  4. Step 4: Simplify right side
    91,781.54x = 3,472,307,587.73
  5. Step 5: Solve for x
    x = 3,472,307,587.73/91,781.54
  6. Step 6: Final answer
    x = 37,832.31

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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.