Home / 126,516.92-189,747.35-36,540.10

Finding the Fourth Proportional to 126,516.92, 189,747.35 and 36,540.10

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Solution

The fourth proportional to 126,516.92, 189,747.35 and 36,540.10 is: 54,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,516.92 : 189,747.35 = 36,540.10 : x
  2. Step 2: Convert to fraction form
    126,516.92/189,747.35 = 36,540.10/x
  3. Step 3: Cross multiply
    126,516.92x = 189,747.35 × 36,540.10
  4. Step 4: Simplify right side
    126,516.92x = 6,933,386,012.30
  5. Step 5: Solve for x
    x = 6,933,386,012.30/126,516.92
  6. Step 6: Final answer
    x = 54,802.05

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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.