Home / 126,366.11-189,485.78-42,096.65

Finding the Fourth Proportional to 126,366.11, 189,485.78 and 42,096.65

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Solution

The fourth proportional to 126,366.11, 189,485.78 and 42,096.65 is: 63,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,366.11 : 189,485.78 = 42,096.65 : x
  2. Step 2: Convert to fraction form
    126,366.11/189,485.78 = 42,096.65/x
  3. Step 3: Cross multiply
    126,366.11x = 189,485.78 × 42,096.65
  4. Step 4: Simplify right side
    126,366.11x = 7,976,715,639.52
  5. Step 5: Solve for x
    x = 7,976,715,639.52/126,366.11
  6. Step 6: Final answer
    x = 63,123.85

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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.