Home / 129,209.60-193,670.40-50,297.60

Finding the Fourth Proportional to 129,209.60, 193,670.40 and 50,297.60

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Solution

The fourth proportional to 129,209.60, 193,670.40 and 50,297.60 is: 75,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,209.60 : 193,670.40 = 50,297.60 : x
  2. Step 2: Convert to fraction form
    129,209.60/193,670.40 = 50,297.60/x
  3. Step 3: Cross multiply
    129,209.60x = 193,670.40 × 50,297.60
  4. Step 4: Simplify right side
    129,209.60x = 9,741,156,311.04
  5. Step 5: Solve for x
    x = 9,741,156,311.04/129,209.60
  6. Step 6: Final answer
    x = 75,390.34

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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.