Home / 132,779.90-199,558.65-115,672.70

Finding the Fourth Proportional to 132,779.90, 199,558.65 and 115,672.70

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Solution

The fourth proportional to 132,779.90, 199,558.65 and 115,672.70 is: 173,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,779.90 : 199,558.65 = 115,672.70 : x
  2. Step 2: Convert to fraction form
    132,779.90/199,558.65 = 115,672.70/x
  3. Step 3: Cross multiply
    132,779.90x = 199,558.65 × 115,672.70
  4. Step 4: Simplify right side
    132,779.90x = 23,083,487,853.86
  5. Step 5: Solve for x
    x = 23,083,487,853.86/132,779.90
  6. Step 6: Final answer
    x = 173,847.76

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1.5x scale

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.