Home / 126,385.79-189,578.66-32,891.54

Finding the Fourth Proportional to 126,385.79, 189,578.66 and 32,891.54

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Solution

The fourth proportional to 126,385.79, 189,578.66 and 32,891.54 is: 49,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,385.79 : 189,578.66 = 32,891.54 : x
  2. Step 2: Convert to fraction form
    126,385.79/189,578.66 = 32,891.54/x
  3. Step 3: Cross multiply
    126,385.79x = 189,578.66 × 32,891.54
  4. Step 4: Simplify right side
    126,385.79x = 6,235,532,966.19
  5. Step 5: Solve for x
    x = 6,235,532,966.19/126,385.79
  6. Step 6: Final answer
    x = 49,337.30

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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.