Home / 126,895.08-175,035.92-81,632

Finding the Fourth Proportional to 126,895.08, 175,035.92 and 81,632

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Solution

The fourth proportional to 126,895.08, 175,035.92 and 81,632 is: 112,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,895.08 : 175,035.92 = 81,632 : x
  2. Step 2: Convert to fraction form
    126,895.08/175,035.92 = 81,632/x
  3. Step 3: Cross multiply
    126,895.08x = 175,035.92 × 81,632
  4. Step 4: Simplify right side
    126,895.08x = 14,288,532,221.44
  5. Step 5: Solve for x
    x = 14,288,532,221.44/126,895.08
  6. Step 6: Final answer
    x = 112,601.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.