Home / 84,149.64-126,104.18-61,787.57

Finding the Fourth Proportional to 84,149.64, 126,104.18 and 61,787.57

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Solution

The fourth proportional to 84,149.64, 126,104.18 and 61,787.57 is: 92,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,149.64 : 126,104.18 = 61,787.57 : x
  2. Step 2: Convert to fraction form
    84,149.64/126,104.18 = 61,787.57/x
  3. Step 3: Cross multiply
    84,149.64x = 126,104.18 × 61,787.57
  4. Step 4: Simplify right side
    84,149.64x = 7,791,669,909.58
  5. Step 5: Solve for x
    x = 7,791,669,909.58/84,149.64
  6. Step 6: Final answer
    x = 92,593.03

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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.