Home / 132,212.87-198,398.10-47,979.61

Finding the Fourth Proportional to 132,212.87, 198,398.10 and 47,979.61

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Solution

The fourth proportional to 132,212.87, 198,398.10 and 47,979.61 is: 71,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,212.87 : 198,398.10 = 47,979.61 : x
  2. Step 2: Convert to fraction form
    132,212.87/198,398.10 = 47,979.61/x
  3. Step 3: Cross multiply
    132,212.87x = 198,398.10 × 47,979.61
  4. Step 4: Simplify right side
    132,212.87x = 9,519,063,462.74
  5. Step 5: Solve for x
    x = 9,519,063,462.74/132,212.87
  6. Step 6: Final answer
    x = 71,998.01

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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.