Home / 136,511.68-204,769.16-47,764.84

Finding the Fourth Proportional to 136,511.68, 204,769.16 and 47,764.84

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Solution

The fourth proportional to 136,511.68, 204,769.16 and 47,764.84 is: 71,647.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,511.68 : 204,769.16 = 47,764.84 : x
  2. Step 2: Convert to fraction form
    136,511.68/204,769.16 = 47,764.84/x
  3. Step 3: Cross multiply
    136,511.68x = 204,769.16 × 47,764.84
  4. Step 4: Simplify right side
    136,511.68x = 9,780,766,164.33
  5. Step 5: Solve for x
    x = 9,780,766,164.33/136,511.68
  6. Step 6: Final answer
    x = 71,647.83

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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.