Home / 131,770.60-181,843.86-71,341.24

Finding the Fourth Proportional to 131,770.60, 181,843.86 and 71,341.24

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Solution

The fourth proportional to 131,770.60, 181,843.86 and 71,341.24 is: 98,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,770.60 : 181,843.86 = 71,341.24 : x
  2. Step 2: Convert to fraction form
    131,770.60/181,843.86 = 71,341.24/x
  3. Step 3: Cross multiply
    131,770.60x = 181,843.86 × 71,341.24
  4. Step 4: Simplify right side
    131,770.60x = 12,972,966,458.79
  5. Step 5: Solve for x
    x = 12,972,966,458.79/131,770.60
  6. Step 6: Final answer
    x = 98,451.15

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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.