Home / 129,236.61-193,855.04-40,497.04

Finding the Fourth Proportional to 129,236.61, 193,855.04 and 40,497.04

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Solution

The fourth proportional to 129,236.61, 193,855.04 and 40,497.04 is: 60,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,236.61 : 193,855.04 = 40,497.04 : x
  2. Step 2: Convert to fraction form
    129,236.61/193,855.04 = 40,497.04/x
  3. Step 3: Cross multiply
    129,236.61x = 193,855.04 × 40,497.04
  4. Step 4: Simplify right side
    129,236.61x = 7,850,555,309.08
  5. Step 5: Solve for x
    x = 7,850,555,309.08/129,236.61
  6. Step 6: Final answer
    x = 60,745.60

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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.