Home / 209,052.87-288,493.47-113,557.56

Finding the Fourth Proportional to 209,052.87, 288,493.47 and 113,557.56

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Solution

The fourth proportional to 209,052.87, 288,493.47 and 113,557.56 is: 156,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,052.87 : 288,493.47 = 113,557.56 : x
  2. Step 2: Convert to fraction form
    209,052.87/288,493.47 = 113,557.56/x
  3. Step 3: Cross multiply
    209,052.87x = 288,493.47 × 113,557.56
  4. Step 4: Simplify right side
    209,052.87x = 32,760,614,529.13
  5. Step 5: Solve for x
    x = 32,760,614,529.13/209,052.87
  6. Step 6: Final answer
    x = 156,709.71

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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.