Home / 132,209.62-198,393.22-47,976.35

Finding the Fourth Proportional to 132,209.62, 198,393.22 and 47,976.35

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Solution

The fourth proportional to 132,209.62, 198,393.22 and 47,976.35 is: 71,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,209.62 : 198,393.22 = 47,976.35 : x
  2. Step 2: Convert to fraction form
    132,209.62/198,393.22 = 47,976.35/x
  3. Step 3: Cross multiply
    132,209.62x = 198,393.22 × 47,976.35
  4. Step 4: Simplify right side
    132,209.62x = 9,518,182,560.35
  5. Step 5: Solve for x
    x = 9,518,182,560.35/132,209.62
  6. Step 6: Final answer
    x = 71,993.12

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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.