Home / 136,610.96-204,986.14-92,144.46

Finding the Fourth Proportional to 136,610.96, 204,986.14 and 92,144.46

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Solution

The fourth proportional to 136,610.96, 204,986.14 and 92,144.46 is: 138,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,610.96 : 204,986.14 = 92,144.46 : x
  2. Step 2: Convert to fraction form
    136,610.96/204,986.14 = 92,144.46/x
  3. Step 3: Cross multiply
    136,610.96x = 204,986.14 × 92,144.46
  4. Step 4: Simplify right side
    136,610.96x = 18,888,337,657.91
  5. Step 5: Solve for x
    x = 18,888,337,657.91/136,610.96
  6. Step 6: Final answer
    x = 138,263.71

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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.