Home / 154,026.20-231,039.30-148,121.30

Finding the Fourth Proportional to 154,026.20, 231,039.30 and 148,121.30

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Solution

The fourth proportional to 154,026.20, 231,039.30 and 148,121.30 is: 222,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,026.20 : 231,039.30 = 148,121.30 : x
  2. Step 2: Convert to fraction form
    154,026.20/231,039.30 = 148,121.30/x
  3. Step 3: Cross multiply
    154,026.20x = 231,039.30 × 148,121.30
  4. Step 4: Simplify right side
    154,026.20x = 34,221,841,467.09
  5. Step 5: Solve for x
    x = 34,221,841,467.09/154,026.20
  6. Step 6: Final answer
    x = 222,181.95

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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.