Home / 181,091.10-271,642.38-86,331.63

Finding the Fourth Proportional to 181,091.10, 271,642.38 and 86,331.63

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Solution

The fourth proportional to 181,091.10, 271,642.38 and 86,331.63 is: 129,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,091.10 : 271,642.38 = 86,331.63 : x
  2. Step 2: Convert to fraction form
    181,091.10/271,642.38 = 86,331.63/x
  3. Step 3: Cross multiply
    181,091.10x = 271,642.38 × 86,331.63
  4. Step 4: Simplify right side
    181,091.10x = 23,451,330,137.39
  5. Step 5: Solve for x
    x = 23,451,330,137.39/181,091.10
  6. Step 6: Final answer
    x = 129,500.18

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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.