Home / 208,731.68-288,049.83-113,238.36

Finding the Fourth Proportional to 208,731.68, 288,049.83 and 113,238.36

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Solution

The fourth proportional to 208,731.68, 288,049.83 and 113,238.36 is: 156,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,731.68 : 288,049.83 = 113,238.36 : x
  2. Step 2: Convert to fraction form
    208,731.68/288,049.83 = 113,238.36/x
  3. Step 3: Cross multiply
    208,731.68x = 288,049.83 × 113,238.36
  4. Step 4: Simplify right side
    208,731.68x = 32,618,289,781.29
  5. Step 5: Solve for x
    x = 32,618,289,781.29/208,731.68
  6. Step 6: Final answer
    x = 156,269.00

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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.