Home / 129,639.44-194,381.40-50,659.60

Finding the Fourth Proportional to 129,639.44, 194,381.40 and 50,659.60

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Solution

The fourth proportional to 129,639.44, 194,381.40 and 50,659.60 is: 75,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,639.44 : 194,381.40 = 50,659.60 : x
  2. Step 2: Convert to fraction form
    129,639.44/194,381.40 = 50,659.60/x
  3. Step 3: Cross multiply
    129,639.44x = 194,381.40 × 50,659.60
  4. Step 4: Simplify right side
    129,639.44x = 9,847,283,971.44
  5. Step 5: Solve for x
    x = 9,847,283,971.44/129,639.44
  6. Step 6: Final answer
    x = 75,959.01

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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.