Home / 209,250.28-288,761.96-113,759.38

Finding the Fourth Proportional to 209,250.28, 288,761.96 and 113,759.38

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Solution

The fourth proportional to 209,250.28, 288,761.96 and 113,759.38 is: 156,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,250.28 : 288,761.96 = 113,759.38 : x
  2. Step 2: Convert to fraction form
    209,250.28/288,761.96 = 113,759.38/x
  3. Step 3: Cross multiply
    209,250.28x = 288,761.96 × 113,759.38
  4. Step 4: Simplify right side
    209,250.28x = 32,849,381,537.18
  5. Step 5: Solve for x
    x = 32,849,381,537.18/209,250.28
  6. Step 6: Final answer
    x = 156,986.08

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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.