Home / 151,245.35-227,008.05-76,418.16

Finding the Fourth Proportional to 151,245.35, 227,008.05 and 76,418.16

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Solution

The fourth proportional to 151,245.35, 227,008.05 and 76,418.16 is: 114,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,245.35 : 227,008.05 = 76,418.16 : x
  2. Step 2: Convert to fraction form
    151,245.35/227,008.05 = 76,418.16/x
  3. Step 3: Cross multiply
    151,245.35x = 227,008.05 × 76,418.16
  4. Step 4: Simplify right side
    151,245.35x = 17,347,536,351.15
  5. Step 5: Solve for x
    x = 17,347,536,351.15/151,245.35
  6. Step 6: Final answer
    x = 114,697.98

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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.