Home / 129,422.28-194,146.80-35,928.06

Finding the Fourth Proportional to 129,422.28, 194,146.80 and 35,928.06

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Solution

The fourth proportional to 129,422.28, 194,146.80 and 35,928.06 is: 53,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,422.28 : 194,146.80 = 35,928.06 : x
  2. Step 2: Convert to fraction form
    129,422.28/194,146.80 = 35,928.06/x
  3. Step 3: Cross multiply
    129,422.28x = 194,146.80 × 35,928.06
  4. Step 4: Simplify right side
    129,422.28x = 6,975,317,879.21
  5. Step 5: Solve for x
    x = 6,975,317,879.21/129,422.28
  6. Step 6: Final answer
    x = 53,895.80

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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.