Home / 141,766.20-212,779.44-71,694.72

Finding the Fourth Proportional to 141,766.20, 212,779.44 and 71,694.72

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Solution

The fourth proportional to 141,766.20, 212,779.44 and 71,694.72 is: 107,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,766.20 : 212,779.44 = 71,694.72 : x
  2. Step 2: Convert to fraction form
    141,766.20/212,779.44 = 71,694.72/x
  3. Step 3: Cross multiply
    141,766.20x = 212,779.44 × 71,694.72
  4. Step 4: Simplify right side
    141,766.20x = 15,255,162,372.56
  5. Step 5: Solve for x
    x = 15,255,162,372.56/141,766.20
  6. Step 6: Final answer
    x = 107,607.90

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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.