Home / 132,095.13-198,131.94-52,129.86

Finding the Fourth Proportional to 132,095.13, 198,131.94 and 52,129.86

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Solution

The fourth proportional to 132,095.13, 198,131.94 and 52,129.86 is: 78,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,095.13 : 198,131.94 = 52,129.86 : x
  2. Step 2: Convert to fraction form
    132,095.13/198,131.94 = 52,129.86/x
  3. Step 3: Cross multiply
    132,095.13x = 198,131.94 × 52,129.86
  4. Step 4: Simplify right side
    132,095.13x = 10,328,590,293.73
  5. Step 5: Solve for x
    x = 10,328,590,293.73/132,095.13
  6. Step 6: Final answer
    x = 78,190.55

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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.