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Finding the Fourth Proportional to 92,559.44, 138,839.16 and 22,438.75

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Solution

The fourth proportional to 92,559.44, 138,839.16 and 22,438.75 is: 33,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,559.44 : 138,839.16 = 22,438.75 : x
  2. Step 2: Convert to fraction form
    92,559.44/138,839.16 = 22,438.75/x
  3. Step 3: Cross multiply
    92,559.44x = 138,839.16 × 22,438.75
  4. Step 4: Simplify right side
    92,559.44x = 3,115,377,201.45
  5. Step 5: Solve for x
    x = 3,115,377,201.45/92,559.44
  6. Step 6: Final answer
    x = 33,658.13

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1.5x scale

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.