Home / 126,901.18-175,177.66-85,517.25

Finding the Fourth Proportional to 126,901.18, 175,177.66 and 85,517.25

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Solution

The fourth proportional to 126,901.18, 175,177.66 and 85,517.25 is: 118,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,901.18 : 175,177.66 = 85,517.25 : x
  2. Step 2: Convert to fraction form
    126,901.18/175,177.66 = 85,517.25/x
  3. Step 3: Cross multiply
    126,901.18x = 175,177.66 × 85,517.25
  4. Step 4: Simplify right side
    126,901.18x = 14,980,711,160.36
  5. Step 5: Solve for x
    x = 14,980,711,160.36/126,901.18
  6. Step 6: Final answer
    x = 118,050.21

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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.