Home / 151,030.60-226,481.10-76,121.80

Finding the Fourth Proportional to 151,030.60, 226,481.10 and 76,121.80

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Solution

The fourth proportional to 151,030.60, 226,481.10 and 76,121.80 is: 114,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,030.60 : 226,481.10 = 76,121.80 : x
  2. Step 2: Convert to fraction form
    151,030.60/226,481.10 = 76,121.80/x
  3. Step 3: Cross multiply
    151,030.60x = 226,481.10 × 76,121.80
  4. Step 4: Simplify right side
    151,030.60x = 17,240,148,997.98
  5. Step 5: Solve for x
    x = 17,240,148,997.98/151,030.60
  6. Step 6: Final answer
    x = 114,150.04

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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.