Home / 126,816.14-175,001.97-72,371.32

Finding the Fourth Proportional to 126,816.14, 175,001.97 and 72,371.32

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Solution

The fourth proportional to 126,816.14, 175,001.97 and 72,371.32 is: 99,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,816.14 : 175,001.97 = 72,371.32 : x
  2. Step 2: Convert to fraction form
    126,816.14/175,001.97 = 72,371.32/x
  3. Step 3: Cross multiply
    126,816.14x = 175,001.97 × 72,371.32
  4. Step 4: Simplify right side
    126,816.14x = 12,665,123,571.50
  5. Step 5: Solve for x
    x = 12,665,123,571.50/126,816.14
  6. Step 6: Final answer
    x = 99,869.97

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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.