Home / 92,178.39-138,321.33-38,867.13

Finding the Fourth Proportional to 92,178.39, 138,321.33 and 38,867.13

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Solution

The fourth proportional to 92,178.39, 138,321.33 and 38,867.13 is: 58,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,178.39 : 138,321.33 = 38,867.13 : x
  2. Step 2: Convert to fraction form
    92,178.39/138,321.33 = 38,867.13/x
  3. Step 3: Cross multiply
    92,178.39x = 138,321.33 × 38,867.13
  4. Step 4: Simplify right side
    92,178.39x = 5,376,153,114.88
  5. Step 5: Solve for x
    x = 5,376,153,114.88/92,178.39
  6. Step 6: Final answer
    x = 58,323.36

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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.