Home / 126,257.64-174,251.72-72,553.12

Finding the Fourth Proportional to 126,257.64, 174,251.72 and 72,553.12

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Solution

The fourth proportional to 126,257.64, 174,251.72 and 72,553.12 is: 100,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,257.64 : 174,251.72 = 72,553.12 : x
  2. Step 2: Convert to fraction form
    126,257.64/174,251.72 = 72,553.12/x
  3. Step 3: Cross multiply
    126,257.64x = 174,251.72 × 72,553.12
  4. Step 4: Simplify right side
    126,257.64x = 12,642,505,951.37
  5. Step 5: Solve for x
    x = 12,642,505,951.37/126,257.64
  6. Step 6: Final answer
    x = 100,132.60

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1.5x scale

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.