Home / 126,634.28-174,753.15-70,045.61

Finding the Fourth Proportional to 126,634.28, 174,753.15 and 70,045.61

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Solution

The fourth proportional to 126,634.28, 174,753.15 and 70,045.61 is: 96,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,634.28 : 174,753.15 = 70,045.61 : x
  2. Step 2: Convert to fraction form
    126,634.28/174,753.15 = 70,045.61/x
  3. Step 3: Cross multiply
    126,634.28x = 174,753.15 × 70,045.61
  4. Step 4: Simplify right side
    126,634.28x = 12,240,690,991.17
  5. Step 5: Solve for x
    x = 12,240,690,991.17/126,634.28
  6. Step 6: Final answer
    x = 96,661.75

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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.