Home / 126,064.20-173,966.58-72,347.97

Finding the Fourth Proportional to 126,064.20, 173,966.58 and 72,347.97

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Solution

The fourth proportional to 126,064.20, 173,966.58 and 72,347.97 is: 99,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,064.20 : 173,966.58 = 72,347.97 : x
  2. Step 2: Convert to fraction form
    126,064.20/173,966.58 = 72,347.97/x
  3. Step 3: Cross multiply
    126,064.20x = 173,966.58 × 72,347.97
  4. Step 4: Simplify right side
    126,064.20x = 12,586,128,910.84
  5. Step 5: Solve for x
    x = 12,586,128,910.84/126,064.20
  6. Step 6: Final answer
    x = 99,839.04

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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.