Home / 140,610.20-193,840.20-100,253.89

Finding the Fourth Proportional to 140,610.20, 193,840.20 and 100,253.89

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Solution

The fourth proportional to 140,610.20, 193,840.20 and 100,253.89 is: 138,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,610.20 : 193,840.20 = 100,253.89 : x
  2. Step 2: Convert to fraction form
    140,610.20/193,840.20 = 100,253.89/x
  3. Step 3: Cross multiply
    140,610.20x = 193,840.20 × 100,253.89
  4. Step 4: Simplify right side
    140,610.20x = 19,433,234,330.68
  5. Step 5: Solve for x
    x = 19,433,234,330.68/140,610.20
  6. Step 6: Final answer
    x = 138,206.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.