Home / 131,440.78-197,020.38-93,886.96

Finding the Fourth Proportional to 131,440.78, 197,020.38 and 93,886.96

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Solution

The fourth proportional to 131,440.78, 197,020.38 and 93,886.96 is: 140,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,440.78 : 197,020.38 = 93,886.96 : x
  2. Step 2: Convert to fraction form
    131,440.78/197,020.38 = 93,886.96/x
  3. Step 3: Cross multiply
    131,440.78x = 197,020.38 × 93,886.96
  4. Step 4: Simplify right side
    131,440.78x = 18,497,644,536.24
  5. Step 5: Solve for x
    x = 18,497,644,536.24/131,440.78
  6. Step 6: Final answer
    x = 140,729.87

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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.