Home / 129,933.28-194,910-41,191.84

Finding the Fourth Proportional to 129,933.28, 194,910 and 41,191.84

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Solution

The fourth proportional to 129,933.28, 194,910 and 41,191.84 is: 61,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,933.28 : 194,910 = 41,191.84 : x
  2. Step 2: Convert to fraction form
    129,933.28/194,910 = 41,191.84/x
  3. Step 3: Cross multiply
    129,933.28x = 194,910 × 41,191.84
  4. Step 4: Simplify right side
    129,933.28x = 8,028,701,534.40
  5. Step 5: Solve for x
    x = 8,028,701,534.40/129,933.28
  6. Step 6: Final answer
    x = 61,790.96

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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.