Home / 209,273.52-288,796.05-113,780.22

Finding the Fourth Proportional to 209,273.52, 288,796.05 and 113,780.22

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Solution

The fourth proportional to 209,273.52, 288,796.05 and 113,780.22 is: 157,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,273.52 : 288,796.05 = 113,780.22 : x
  2. Step 2: Convert to fraction form
    209,273.52/288,796.05 = 113,780.22/x
  3. Step 3: Cross multiply
    209,273.52x = 288,796.05 × 113,780.22
  4. Step 4: Simplify right side
    209,273.52x = 32,859,278,104.13
  5. Step 5: Solve for x
    x = 32,859,278,104.13/209,273.52
  6. Step 6: Final answer
    x = 157,015.94

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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.