Home / 131,739.57-181,800.27-71,310.15

Finding the Fourth Proportional to 131,739.57, 181,800.27 and 71,310.15

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Solution

The fourth proportional to 131,739.57, 181,800.27 and 71,310.15 is: 98,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,739.57 : 181,800.27 = 71,310.15 : x
  2. Step 2: Convert to fraction form
    131,739.57/181,800.27 = 71,310.15/x
  3. Step 3: Cross multiply
    131,739.57x = 181,800.27 × 71,310.15
  4. Step 4: Simplify right side
    131,739.57x = 12,964,204,523.74
  5. Step 5: Solve for x
    x = 12,964,204,523.74/131,739.57
  6. Step 6: Final answer
    x = 98,407.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.