Home / 129,708.32-194,561.28-36,213.92

Finding the Fourth Proportional to 129,708.32, 194,561.28 and 36,213.92

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Solution

The fourth proportional to 129,708.32, 194,561.28 and 36,213.92 is: 54,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,708.32 : 194,561.28 = 36,213.92 : x
  2. Step 2: Convert to fraction form
    129,708.32/194,561.28 = 36,213.92/x
  3. Step 3: Cross multiply
    129,708.32x = 194,561.28 × 36,213.92
  4. Step 4: Simplify right side
    129,708.32x = 7,045,826,629.02
  5. Step 5: Solve for x
    x = 7,045,826,629.02/129,708.32
  6. Step 6: Final answer
    x = 54,320.54

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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.