Home / 133,003.60-199,505.40-122,117.20

Finding the Fourth Proportional to 133,003.60, 199,505.40 and 122,117.20

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Solution

The fourth proportional to 133,003.60, 199,505.40 and 122,117.20 is: 183,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,003.60 : 199,505.40 = 122,117.20 : x
  2. Step 2: Convert to fraction form
    133,003.60/199,505.40 = 122,117.20/x
  3. Step 3: Cross multiply
    133,003.60x = 199,505.40 × 122,117.20
  4. Step 4: Simplify right side
    133,003.60x = 24,363,040,832.88
  5. Step 5: Solve for x
    x = 24,363,040,832.88/133,003.60
  6. Step 6: Final answer
    x = 183,175.80

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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.