Home / 229,984.29-345,031.92-72,212.72

Finding the Fourth Proportional to 229,984.29, 345,031.92 and 72,212.72

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Solution

The fourth proportional to 229,984.29, 345,031.92 and 72,212.72 is: 108,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,984.29 : 345,031.92 = 72,212.72 : x
  2. Step 2: Convert to fraction form
    229,984.29/345,031.92 = 72,212.72/x
  3. Step 3: Cross multiply
    229,984.29x = 345,031.92 × 72,212.72
  4. Step 4: Simplify right side
    229,984.29x = 24,915,691,704.86
  5. Step 5: Solve for x
    x = 24,915,691,704.86/229,984.29
  6. Step 6: Final answer
    x = 108,336.49

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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.