Home / 208,396.26-287,587.27-112,902.95

Finding the Fourth Proportional to 208,396.26, 287,587.27 and 112,902.95

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Solution

The fourth proportional to 208,396.26, 287,587.27 and 112,902.95 is: 155,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,396.26 : 287,587.27 = 112,902.95 : x
  2. Step 2: Convert to fraction form
    208,396.26/287,587.27 = 112,902.95/x
  3. Step 3: Cross multiply
    208,396.26x = 287,587.27 × 112,902.95
  4. Step 4: Simplify right side
    208,396.26x = 32,469,452,025.54
  5. Step 5: Solve for x
    x = 32,469,452,025.54/208,396.26
  6. Step 6: Final answer
    x = 155,806.31

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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.