Home / 151,278.40-226,841.60-88,119.36

Finding the Fourth Proportional to 151,278.40, 226,841.60 and 88,119.36

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Solution

The fourth proportional to 151,278.40, 226,841.60 and 88,119.36 is: 132,134.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,278.40 : 226,841.60 = 88,119.36 : x
  2. Step 2: Convert to fraction form
    151,278.40/226,841.60 = 88,119.36/x
  3. Step 3: Cross multiply
    151,278.40x = 226,841.60 × 88,119.36
  4. Step 4: Simplify right side
    151,278.40x = 19,989,136,613.38
  5. Step 5: Solve for x
    x = 19,989,136,613.38/151,278.40
  6. Step 6: Final answer
    x = 132,134.77

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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.