Home / 208,251.19-287,385.33-112,757.59

Finding the Fourth Proportional to 208,251.19, 287,385.33 and 112,757.59

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Solution

The fourth proportional to 208,251.19, 287,385.33 and 112,757.59 is: 155,604.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,251.19 : 287,385.33 = 112,757.59 : x
  2. Step 2: Convert to fraction form
    208,251.19/287,385.33 = 112,757.59/x
  3. Step 3: Cross multiply
    208,251.19x = 287,385.33 × 112,757.59
  4. Step 4: Simplify right side
    208,251.19x = 32,404,877,212.15
  5. Step 5: Solve for x
    x = 32,404,877,212.15/208,251.19
  6. Step 6: Final answer
    x = 155,604.76

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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.