Home / 181,454.76-250,385.68-100,871.96

Finding the Fourth Proportional to 181,454.76, 250,385.68 and 100,871.96

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Solution

The fourth proportional to 181,454.76, 250,385.68 and 100,871.96 is: 139,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,454.76 : 250,385.68 = 100,871.96 : x
  2. Step 2: Convert to fraction form
    181,454.76/250,385.68 = 100,871.96/x
  3. Step 3: Cross multiply
    181,454.76x = 250,385.68 × 100,871.96
  4. Step 4: Simplify right side
    181,454.76x = 25,256,894,297.53
  5. Step 5: Solve for x
    x = 25,256,894,297.53/181,454.76
  6. Step 6: Final answer
    x = 139,191.14

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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.