Home / 209,231.92-288,740.26-113,738.62

Finding the Fourth Proportional to 209,231.92, 288,740.26 and 113,738.62

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Solution

The fourth proportional to 209,231.92, 288,740.26 and 113,738.62 is: 156,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,231.92 : 288,740.26 = 113,738.62 : x
  2. Step 2: Convert to fraction form
    209,231.92/288,740.26 = 113,738.62/x
  3. Step 3: Cross multiply
    209,231.92x = 288,740.26 × 113,738.62
  4. Step 4: Simplify right side
    209,231.92x = 32,840,918,710.84
  5. Step 5: Solve for x
    x = 32,840,918,710.84/209,231.92
  6. Step 6: Final answer
    x = 156,959.41

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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.