Home / 181,298.32-271,854.02-81,372.86

Finding the Fourth Proportional to 181,298.32, 271,854.02 and 81,372.86

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Solution

The fourth proportional to 181,298.32, 271,854.02 and 81,372.86 is: 122,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,298.32 : 271,854.02 = 81,372.86 : x
  2. Step 2: Convert to fraction form
    181,298.32/271,854.02 = 81,372.86/x
  3. Step 3: Cross multiply
    181,298.32x = 271,854.02 × 81,372.86
  4. Step 4: Simplify right side
    181,298.32x = 22,121,539,109.90
  5. Step 5: Solve for x
    x = 22,121,539,109.90/181,298.32
  6. Step 6: Final answer
    x = 122,017.34

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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.