Home / 151,721.30-227,063.55-133,058.90

Finding the Fourth Proportional to 151,721.30, 227,063.55 and 133,058.90

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Solution

The fourth proportional to 151,721.30, 227,063.55 and 133,058.90 is: 199,133.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,721.30 : 227,063.55 = 133,058.90 : x
  2. Step 2: Convert to fraction form
    151,721.30/227,063.55 = 133,058.90/x
  3. Step 3: Cross multiply
    151,721.30x = 227,063.55 × 133,058.90
  4. Step 4: Simplify right side
    151,721.30x = 30,212,826,193.10
  5. Step 5: Solve for x
    x = 30,212,826,193.10/151,721.30
  6. Step 6: Final answer
    x = 199,133.72

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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.