Home / 209,241.20-288,755.71-113,749.95

Finding the Fourth Proportional to 209,241.20, 288,755.71 and 113,749.95

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Solution

The fourth proportional to 209,241.20, 288,755.71 and 113,749.95 is: 156,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,241.20 : 288,755.71 = 113,749.95 : x
  2. Step 2: Convert to fraction form
    209,241.20/288,755.71 = 113,749.95/x
  3. Step 3: Cross multiply
    209,241.20x = 288,755.71 × 113,749.95
  4. Step 4: Simplify right side
    209,241.20x = 32,845,947,574.71
  5. Step 5: Solve for x
    x = 32,845,947,574.71/209,241.20
  6. Step 6: Final answer
    x = 156,976.48

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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.