Home / 129,421.56-194,132.28-35,927.28

Finding the Fourth Proportional to 129,421.56, 194,132.28 and 35,927.28

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Solution

The fourth proportional to 129,421.56, 194,132.28 and 35,927.28 is: 53,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,421.56 : 194,132.28 = 35,927.28 : x
  2. Step 2: Convert to fraction form
    129,421.56/194,132.28 = 35,927.28/x
  3. Step 3: Cross multiply
    129,421.56x = 194,132.28 × 35,927.28
  4. Step 4: Simplify right side
    129,421.56x = 6,974,644,780.60
  5. Step 5: Solve for x
    x = 6,974,644,780.60/129,421.56
  6. Step 6: Final answer
    x = 53,890.90

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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.