Home / 154,044.40-231,066.60-133,049.20

Finding the Fourth Proportional to 154,044.40, 231,066.60 and 133,049.20

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Solution

The fourth proportional to 154,044.40, 231,066.60 and 133,049.20 is: 199,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,044.40 : 231,066.60 = 133,049.20 : x
  2. Step 2: Convert to fraction form
    154,044.40/231,066.60 = 133,049.20/x
  3. Step 3: Cross multiply
    154,044.40x = 231,066.60 × 133,049.20
  4. Step 4: Simplify right side
    154,044.40x = 30,743,226,276.72
  5. Step 5: Solve for x
    x = 30,743,226,276.72/154,044.40
  6. Step 6: Final answer
    x = 199,573.80

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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.