Home / 126,377.25-189,711.68-64,178.97

Finding the Fourth Proportional to 126,377.25, 189,711.68 and 64,178.97

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Solution

The fourth proportional to 126,377.25, 189,711.68 and 64,178.97 is: 96,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,377.25 : 189,711.68 = 64,178.97 : x
  2. Step 2: Convert to fraction form
    126,377.25/189,711.68 = 64,178.97/x
  3. Step 3: Cross multiply
    126,377.25x = 189,711.68 × 64,178.97
  4. Step 4: Simplify right side
    126,377.25x = 12,175,499,898.47
  5. Step 5: Solve for x
    x = 12,175,499,898.47/126,377.25
  6. Step 6: Final answer
    x = 96,342.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.