Home / 208,853.24-288,217.76-113,359.95

Finding the Fourth Proportional to 208,853.24, 288,217.76 and 113,359.95

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Solution

The fourth proportional to 208,853.24, 288,217.76 and 113,359.95 is: 156,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,853.24 : 288,217.76 = 113,359.95 : x
  2. Step 2: Convert to fraction form
    208,853.24/288,217.76 = 113,359.95/x
  3. Step 3: Cross multiply
    208,853.24x = 288,217.76 × 113,359.95
  4. Step 4: Simplify right side
    208,853.24x = 32,672,350,295.91
  5. Step 5: Solve for x
    x = 32,672,350,295.91/208,853.24
  6. Step 6: Final answer
    x = 156,436.89

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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.