Home / 151,013.20-226,694.70-81,029.20

Finding the Fourth Proportional to 151,013.20, 226,694.70 and 81,029.20

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Solution

The fourth proportional to 151,013.20, 226,694.70 and 81,029.20 is: 121,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,013.20 : 226,694.70 = 81,029.20 : x
  2. Step 2: Convert to fraction form
    151,013.20/226,694.70 = 81,029.20/x
  3. Step 3: Cross multiply
    151,013.20x = 226,694.70 × 81,029.20
  4. Step 4: Simplify right side
    151,013.20x = 18,368,890,185.24
  5. Step 5: Solve for x
    x = 18,368,890,185.24/151,013.20
  6. Step 6: Final answer
    x = 121,637.65

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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.