Home / 209,195.31-288,691.80-113,702.04

Finding the Fourth Proportional to 209,195.31, 288,691.80 and 113,702.04

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Solution

The fourth proportional to 209,195.31, 288,691.80 and 113,702.04 is: 156,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,195.31 : 288,691.80 = 113,702.04 : x
  2. Step 2: Convert to fraction form
    209,195.31/288,691.80 = 113,702.04/x
  3. Step 3: Cross multiply
    209,195.31x = 288,691.80 × 113,702.04
  4. Step 4: Simplify right side
    209,195.31x = 32,824,846,591.27
  5. Step 5: Solve for x
    x = 32,824,846,591.27/209,195.31
  6. Step 6: Final answer
    x = 156,910.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.