Home / 126,524.18-189,721.71-42,253.98

Finding the Fourth Proportional to 126,524.18, 189,721.71 and 42,253.98

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Solution

The fourth proportional to 126,524.18, 189,721.71 and 42,253.98 is: 63,359.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,524.18 : 189,721.71 = 42,253.98 : x
  2. Step 2: Convert to fraction form
    126,524.18/189,721.71 = 42,253.98/x
  3. Step 3: Cross multiply
    126,524.18x = 189,721.71 × 42,253.98
  4. Step 4: Simplify right side
    126,524.18x = 8,016,497,339.91
  5. Step 5: Solve for x
    x = 8,016,497,339.91/126,524.18
  6. Step 6: Final answer
    x = 63,359.41

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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.