Home / 151,169.55-226,787.12-45,985.78

Finding the Fourth Proportional to 151,169.55, 226,787.12 and 45,985.78

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Solution

The fourth proportional to 151,169.55, 226,787.12 and 45,985.78 is: 68,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,169.55 : 226,787.12 = 45,985.78 : x
  2. Step 2: Convert to fraction form
    151,169.55/226,787.12 = 45,985.78/x
  3. Step 3: Cross multiply
    151,169.55x = 226,787.12 × 45,985.78
  4. Step 4: Simplify right side
    151,169.55x = 10,428,983,091.83
  5. Step 5: Solve for x
    x = 10,428,983,091.83/151,169.55
  6. Step 6: Final answer
    x = 68,988.65

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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.