Home / 126,340.14-189,497.46-42,091.27

Finding the Fourth Proportional to 126,340.14, 189,497.46 and 42,091.27

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Solution

The fourth proportional to 126,340.14, 189,497.46 and 42,091.27 is: 63,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,340.14 : 189,497.46 = 42,091.27 : x
  2. Step 2: Convert to fraction form
    126,340.14/189,497.46 = 42,091.27/x
  3. Step 3: Cross multiply
    126,340.14x = 189,497.46 × 42,091.27
  4. Step 4: Simplify right side
    126,340.14x = 7,976,188,279.43
  5. Step 5: Solve for x
    x = 7,976,188,279.43/126,340.14
  6. Step 6: Final answer
    x = 63,132.65

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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.