Home / 151,715.80-227,318.55-120,004.30

Finding the Fourth Proportional to 151,715.80, 227,318.55 and 120,004.30

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Solution

The fourth proportional to 151,715.80, 227,318.55 and 120,004.30 is: 179,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,715.80 : 227,318.55 = 120,004.30 : x
  2. Step 2: Convert to fraction form
    151,715.80/227,318.55 = 120,004.30/x
  3. Step 3: Cross multiply
    151,715.80x = 227,318.55 × 120,004.30
  4. Step 4: Simplify right side
    151,715.80x = 27,279,203,469.77
  5. Step 5: Solve for x
    x = 27,279,203,469.77/151,715.80
  6. Step 6: Final answer
    x = 179,804.63

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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.