Home / 113,947.80-170,791.38-71,272.62

Finding the Fourth Proportional to 113,947.80, 170,791.38 and 71,272.62

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Solution

The fourth proportional to 113,947.80, 170,791.38 and 71,272.62 is: 106,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,947.80 : 170,791.38 = 71,272.62 : x
  2. Step 2: Convert to fraction form
    113,947.80/170,791.38 = 71,272.62/x
  3. Step 3: Cross multiply
    113,947.80x = 170,791.38 × 71,272.62
  4. Step 4: Simplify right side
    113,947.80x = 12,172,749,126.02
  5. Step 5: Solve for x
    x = 12,172,749,126.02/113,947.80
  6. Step 6: Final answer
    x = 106,827.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.