Home / 126,883.38-175,076.82-72,410.70

Finding the Fourth Proportional to 126,883.38, 175,076.82 and 72,410.70

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Solution

The fourth proportional to 126,883.38, 175,076.82 and 72,410.70 is: 99,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,883.38 : 175,076.82 = 72,410.70 : x
  2. Step 2: Convert to fraction form
    126,883.38/175,076.82 = 72,410.70/x
  3. Step 3: Cross multiply
    126,883.38x = 175,076.82 × 72,410.70
  4. Step 4: Simplify right side
    126,883.38x = 12,677,435,089.97
  5. Step 5: Solve for x
    x = 12,677,435,089.97/126,883.38
  6. Step 6: Final answer
    x = 99,914.07

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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.