Home / 131,799.41-181,884.04-71,370.05

Finding the Fourth Proportional to 131,799.41, 181,884.04 and 71,370.05

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Solution

The fourth proportional to 131,799.41, 181,884.04 and 71,370.05 is: 98,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,799.41 : 181,884.04 = 71,370.05 : x
  2. Step 2: Convert to fraction form
    131,799.41/181,884.04 = 71,370.05/x
  3. Step 3: Cross multiply
    131,799.41x = 181,884.04 × 71,370.05
  4. Step 4: Simplify right side
    131,799.41x = 12,981,073,305.29
  5. Step 5: Solve for x
    x = 12,981,073,305.29/131,799.41
  6. Step 6: Final answer
    x = 98,491.14

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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.