Home / 84,089.76-126,150.18-24,115.72

Finding the Fourth Proportional to 84,089.76, 126,150.18 and 24,115.72

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Solution

The fourth proportional to 84,089.76, 126,150.18 and 24,115.72 is: 36,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,089.76 : 126,150.18 = 24,115.72 : x
  2. Step 2: Convert to fraction form
    84,089.76/126,150.18 = 24,115.72/x
  3. Step 3: Cross multiply
    84,089.76x = 126,150.18 × 24,115.72
  4. Step 4: Simplify right side
    84,089.76x = 3,042,202,418.83
  5. Step 5: Solve for x
    x = 3,042,202,418.83/84,089.76
  6. Step 6: Final answer
    x = 36,178.04

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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.