Home / 230,042.16-345,098.07-72,255.78

Finding the Fourth Proportional to 230,042.16, 345,098.07 and 72,255.78

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Solution

The fourth proportional to 230,042.16, 345,098.07 and 72,255.78 is: 108,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,042.16 : 345,098.07 = 72,255.78 : x
  2. Step 2: Convert to fraction form
    230,042.16/345,098.07 = 72,255.78/x
  3. Step 3: Cross multiply
    230,042.16x = 345,098.07 × 72,255.78
  4. Step 4: Simplify right side
    230,042.16x = 24,935,330,224.34
  5. Step 5: Solve for x
    x = 24,935,330,224.34/230,042.16
  6. Step 6: Final answer
    x = 108,394.61

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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.