Home / 132,332.14-198,509.14-42,387.98

Finding the Fourth Proportional to 132,332.14, 198,509.14 and 42,387.98

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Solution

The fourth proportional to 132,332.14, 198,509.14 and 42,387.98 is: 63,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,332.14 : 198,509.14 = 42,387.98 : x
  2. Step 2: Convert to fraction form
    132,332.14/198,509.14 = 42,387.98/x
  3. Step 3: Cross multiply
    132,332.14x = 198,509.14 × 42,387.98
  4. Step 4: Simplify right side
    132,332.14x = 8,414,401,456.14
  5. Step 5: Solve for x
    x = 8,414,401,456.14/132,332.14
  6. Step 6: Final answer
    x = 63,585.47

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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.