Home / 101,010.31-151,514.46-38,680.81

Finding the Fourth Proportional to 101,010.31, 151,514.46 and 38,680.81

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Solution

The fourth proportional to 101,010.31, 151,514.46 and 38,680.81 is: 58,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,010.31 : 151,514.46 = 38,680.81 : x
  2. Step 2: Convert to fraction form
    101,010.31/151,514.46 = 38,680.81/x
  3. Step 3: Cross multiply
    101,010.31x = 151,514.46 × 38,680.81
  4. Step 4: Simplify right side
    101,010.31x = 5,860,701,660.73
  5. Step 5: Solve for x
    x = 5,860,701,660.73/101,010.31
  6. Step 6: Final answer
    x = 58,020.83

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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.