Home / 136,121.46-204,182.19-42,634.50

Finding the Fourth Proportional to 136,121.46, 204,182.19 and 42,634.50

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Solution

The fourth proportional to 136,121.46, 204,182.19 and 42,634.50 is: 63,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,121.46 : 204,182.19 = 42,634.50 : x
  2. Step 2: Convert to fraction form
    136,121.46/204,182.19 = 42,634.50/x
  3. Step 3: Cross multiply
    136,121.46x = 204,182.19 × 42,634.50
  4. Step 4: Simplify right side
    136,121.46x = 8,705,205,579.56
  5. Step 5: Solve for x
    x = 8,705,205,579.56/136,121.46
  6. Step 6: Final answer
    x = 63,951.75

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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.