Home / 151,657.20-227,631.60-76,861.80

Finding the Fourth Proportional to 151,657.20, 227,631.60 and 76,861.80

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Solution

The fourth proportional to 151,657.20, 227,631.60 and 76,861.80 is: 115,366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,657.20 : 227,631.60 = 76,861.80 : x
  2. Step 2: Convert to fraction form
    151,657.20/227,631.60 = 76,861.80/x
  3. Step 3: Cross multiply
    151,657.20x = 227,631.60 × 76,861.80
  4. Step 4: Simplify right side
    151,657.20x = 17,496,174,512.88
  5. Step 5: Solve for x
    x = 17,496,174,512.88/151,657.20
  6. Step 6: Final answer
    x = 115,366.59

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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.