Home / 151,720.80-227,581.20-123,180.45

Finding the Fourth Proportional to 151,720.80, 227,581.20 and 123,180.45

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Solution

The fourth proportional to 151,720.80, 227,581.20 and 123,180.45 is: 184,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,720.80 : 227,581.20 = 123,180.45 : x
  2. Step 2: Convert to fraction form
    151,720.80/227,581.20 = 123,180.45/x
  3. Step 3: Cross multiply
    151,720.80x = 227,581.20 × 123,180.45
  4. Step 4: Simplify right side
    151,720.80x = 28,033,554,627.54
  5. Step 5: Solve for x
    x = 28,033,554,627.54/151,720.80
  6. Step 6: Final answer
    x = 184,770.68

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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.