Home / 181,103.32-271,654.98-81,209.02

Finding the Fourth Proportional to 181,103.32, 271,654.98 and 81,209.02

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Solution

The fourth proportional to 181,103.32, 271,654.98 and 81,209.02 is: 121,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,103.32 : 271,654.98 = 81,209.02 : x
  2. Step 2: Convert to fraction form
    181,103.32/271,654.98 = 81,209.02/x
  3. Step 3: Cross multiply
    181,103.32x = 271,654.98 × 81,209.02
  4. Step 4: Simplify right side
    181,103.32x = 22,060,834,703.92
  5. Step 5: Solve for x
    x = 22,060,834,703.92/181,103.32
  6. Step 6: Final answer
    x = 121,813.53

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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.