Home / 136,881.11-205,329.02-43,394.15

Finding the Fourth Proportional to 136,881.11, 205,329.02 and 43,394.15

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Solution

The fourth proportional to 136,881.11, 205,329.02 and 43,394.15 is: 65,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,881.11 : 205,329.02 = 43,394.15 : x
  2. Step 2: Convert to fraction form
    136,881.11/205,329.02 = 43,394.15/x
  3. Step 3: Cross multiply
    136,881.11x = 205,329.02 × 43,394.15
  4. Step 4: Simplify right side
    136,881.11x = 8,910,077,049.62
  5. Step 5: Solve for x
    x = 8,910,077,049.62/136,881.11
  6. Step 6: Final answer
    x = 65,093.55

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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.