Home / 208,167.20-287,269.92-112,675.52

Finding the Fourth Proportional to 208,167.20, 287,269.92 and 112,675.52

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Solution

The fourth proportional to 208,167.20, 287,269.92 and 112,675.52 is: 155,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,167.20 : 287,269.92 = 112,675.52 : x
  2. Step 2: Convert to fraction form
    208,167.20/287,269.92 = 112,675.52/x
  3. Step 3: Cross multiply
    208,167.20x = 287,269.92 × 112,675.52
  4. Step 4: Simplify right side
    208,167.20x = 32,368,287,616.36
  5. Step 5: Solve for x
    x = 32,368,287,616.36/208,167.20
  6. Step 6: Final answer
    x = 155,491.78

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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.