Home / 209,039.54-288,476.03-113,546.21

Finding the Fourth Proportional to 209,039.54, 288,476.03 and 113,546.21

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Solution

The fourth proportional to 209,039.54, 288,476.03 and 113,546.21 is: 156,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,039.54 : 288,476.03 = 113,546.21 : x
  2. Step 2: Convert to fraction form
    209,039.54/288,476.03 = 113,546.21/x
  3. Step 3: Cross multiply
    209,039.54x = 288,476.03 × 113,546.21
  4. Step 4: Simplify right side
    209,039.54x = 32,755,358,723.83
  5. Step 5: Solve for x
    x = 32,755,358,723.83/209,039.54
  6. Step 6: Final answer
    x = 156,694.56

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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.