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Finding the Fourth Proportional to 162,250.80, 243,125.34 and 126,627.66

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Solution

The fourth proportional to 162,250.80, 243,125.34 and 126,627.66 is: 189,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,250.80 : 243,125.34 = 126,627.66 : x
  2. Step 2: Convert to fraction form
    162,250.80/243,125.34 = 126,627.66/x
  3. Step 3: Cross multiply
    162,250.80x = 243,125.34 × 126,627.66
  4. Step 4: Simplify right side
    162,250.80x = 30,786,392,890.90
  5. Step 5: Solve for x
    x = 30,786,392,890.90/162,250.80
  6. Step 6: Final answer
    x = 189,745.71

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1.5x scale

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.