Home / 154,556.40-231,397.20-137,060.40

Finding the Fourth Proportional to 154,556.40, 231,397.20 and 137,060.40

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Solution

The fourth proportional to 154,556.40, 231,397.20 and 137,060.40 is: 205,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,556.40 : 231,397.20 = 137,060.40 : x
  2. Step 2: Convert to fraction form
    154,556.40/231,397.20 = 137,060.40/x
  3. Step 3: Cross multiply
    154,556.40x = 231,397.20 × 137,060.40
  4. Step 4: Simplify right side
    154,556.40x = 31,715,392,790.88
  5. Step 5: Solve for x
    x = 31,715,392,790.88/154,556.40
  6. Step 6: Final answer
    x = 205,202.71

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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.