Home / 209,195.85-288,692.03-113,702.52

Finding the Fourth Proportional to 209,195.85, 288,692.03 and 113,702.52

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Solution

The fourth proportional to 209,195.85, 288,692.03 and 113,702.52 is: 156,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,195.85 : 288,692.03 = 113,702.52 : x
  2. Step 2: Convert to fraction form
    209,195.85/288,692.03 = 113,702.52/x
  3. Step 3: Cross multiply
    209,195.85x = 288,692.03 × 113,702.52
  4. Step 4: Simplify right side
    209,195.85x = 32,825,010,746.40
  5. Step 5: Solve for x
    x = 32,825,010,746.40/209,195.85
  6. Step 6: Final answer
    x = 156,910.43

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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.