Home / 120,822.60-181,061.10-88,984.20

Finding the Fourth Proportional to 120,822.60, 181,061.10 and 88,984.20

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Solution

The fourth proportional to 120,822.60, 181,061.10 and 88,984.20 is: 133,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,822.60 : 181,061.10 = 88,984.20 : x
  2. Step 2: Convert to fraction form
    120,822.60/181,061.10 = 88,984.20/x
  3. Step 3: Cross multiply
    120,822.60x = 181,061.10 × 88,984.20
  4. Step 4: Simplify right side
    120,822.60x = 16,111,577,134.62
  5. Step 5: Solve for x
    x = 16,111,577,134.62/120,822.60
  6. Step 6: Final answer
    x = 133,349.04

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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.