Home / 129,369.60-193,974.72-50,391.84

Finding the Fourth Proportional to 129,369.60, 193,974.72 and 50,391.84

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Solution

The fourth proportional to 129,369.60, 193,974.72 and 50,391.84 is: 75,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,369.60 : 193,974.72 = 50,391.84 : x
  2. Step 2: Convert to fraction form
    129,369.60/193,974.72 = 50,391.84/x
  3. Step 3: Cross multiply
    129,369.60x = 193,974.72 × 50,391.84
  4. Step 4: Simplify right side
    129,369.60x = 9,774,743,054.28
  5. Step 5: Solve for x
    x = 9,774,743,054.28/129,369.60
  6. Step 6: Final answer
    x = 75,556.72

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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.