Home / 209,229.08-288,735.89-113,736.42

Finding the Fourth Proportional to 209,229.08, 288,735.89 and 113,736.42

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Solution

The fourth proportional to 209,229.08, 288,735.89 and 113,736.42 is: 156,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,229.08 : 288,735.89 = 113,736.42 : x
  2. Step 2: Convert to fraction form
    209,229.08/288,735.89 = 113,736.42/x
  3. Step 3: Cross multiply
    209,229.08x = 288,735.89 × 113,736.42
  4. Step 4: Simplify right side
    209,229.08x = 32,839,785,885.43
  5. Step 5: Solve for x
    x = 32,839,785,885.43/209,229.08
  6. Step 6: Final answer
    x = 156,956.13

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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.