Home / 209,017.28-288,445.92-113,524.96

Finding the Fourth Proportional to 209,017.28, 288,445.92 and 113,524.96

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Solution

The fourth proportional to 209,017.28, 288,445.92 and 113,524.96 is: 156,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,017.28 : 288,445.92 = 113,524.96 : x
  2. Step 2: Convert to fraction form
    209,017.28/288,445.92 = 113,524.96/x
  3. Step 3: Cross multiply
    209,017.28x = 288,445.92 × 113,524.96
  4. Step 4: Simplify right side
    209,017.28x = 32,745,811,530.16
  5. Step 5: Solve for x
    x = 32,745,811,530.16/209,017.28
  6. Step 6: Final answer
    x = 156,665.57

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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.