Home / 181,219.12-271,767.09-68,872.30

Finding the Fourth Proportional to 181,219.12, 271,767.09 and 68,872.30

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Solution

The fourth proportional to 181,219.12, 271,767.09 and 68,872.30 is: 103,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,219.12 : 271,767.09 = 68,872.30 : x
  2. Step 2: Convert to fraction form
    181,219.12/271,767.09 = 68,872.30/x
  3. Step 3: Cross multiply
    181,219.12x = 271,767.09 × 68,872.30
  4. Step 4: Simplify right side
    181,219.12x = 18,717,224,552.61
  5. Step 5: Solve for x
    x = 18,717,224,552.61/181,219.12
  6. Step 6: Final answer
    x = 103,285.04

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1.5x scale

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.