Home / 151,529.87-227,435.04-76,702.57

Finding the Fourth Proportional to 151,529.87, 227,435.04 and 76,702.57

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Solution

The fourth proportional to 151,529.87, 227,435.04 and 76,702.57 is: 115,124.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,529.87 : 227,435.04 = 76,702.57 : x
  2. Step 2: Convert to fraction form
    151,529.87/227,435.04 = 76,702.57/x
  3. Step 3: Cross multiply
    151,529.87x = 227,435.04 × 76,702.57
  4. Step 4: Simplify right side
    151,529.87x = 17,444,851,507.47
  5. Step 5: Solve for x
    x = 17,444,851,507.47/151,529.87
  6. Step 6: Final answer
    x = 115,124.83

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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.