Home / 126,901.72-175,146.06-73,177.12

Finding the Fourth Proportional to 126,901.72, 175,146.06 and 73,177.12

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Solution

The fourth proportional to 126,901.72, 175,146.06 and 73,177.12 is: 100,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,901.72 : 175,146.06 = 73,177.12 : x
  2. Step 2: Convert to fraction form
    126,901.72/175,146.06 = 73,177.12/x
  3. Step 3: Cross multiply
    126,901.72x = 175,146.06 × 73,177.12
  4. Step 4: Simplify right side
    126,901.72x = 12,816,684,250.15
  5. Step 5: Solve for x
    x = 12,816,684,250.15/126,901.72
  6. Step 6: Final answer
    x = 100,996.93

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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.