Home / 129,578.24-194,372.48-36,092.16

Finding the Fourth Proportional to 129,578.24, 194,372.48 and 36,092.16

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Solution

The fourth proportional to 129,578.24, 194,372.48 and 36,092.16 is: 54,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,578.24 : 194,372.48 = 36,092.16 : x
  2. Step 2: Convert to fraction form
    129,578.24/194,372.48 = 36,092.16/x
  3. Step 3: Cross multiply
    129,578.24x = 194,372.48 × 36,092.16
  4. Step 4: Simplify right side
    129,578.24x = 7,015,322,647.76
  5. Step 5: Solve for x
    x = 7,015,322,647.76/129,578.24
  6. Step 6: Final answer
    x = 54,139.67

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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.