Home / 129,279.60-193,840.02-50,301.90

Finding the Fourth Proportional to 129,279.60, 193,840.02 and 50,301.90

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Solution

The fourth proportional to 129,279.60, 193,840.02 and 50,301.90 is: 75,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,279.60 : 193,840.02 = 50,301.90 : x
  2. Step 2: Convert to fraction form
    129,279.60/193,840.02 = 50,301.90/x
  3. Step 3: Cross multiply
    129,279.60x = 193,840.02 × 50,301.90
  4. Step 4: Simplify right side
    129,279.60x = 9,750,521,302.04
  5. Step 5: Solve for x
    x = 9,750,521,302.04/129,279.60
  6. Step 6: Final answer
    x = 75,421.96

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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.