Home / 155,884.28-215,122.38-92,220.44

Finding the Fourth Proportional to 155,884.28, 215,122.38 and 92,220.44

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Solution

The fourth proportional to 155,884.28, 215,122.38 and 92,220.44 is: 127,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,884.28 : 215,122.38 = 92,220.44 : x
  2. Step 2: Convert to fraction form
    155,884.28/215,122.38 = 92,220.44/x
  3. Step 3: Cross multiply
    155,884.28x = 215,122.38 × 92,220.44
  4. Step 4: Simplify right side
    155,884.28x = 19,838,680,537.45
  5. Step 5: Solve for x
    x = 19,838,680,537.45/155,884.28
  6. Step 6: Final answer
    x = 127,265.43

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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.