Home / 100,865.97-151,255.20-34,288.23

Finding the Fourth Proportional to 100,865.97, 151,255.20 and 34,288.23

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Solution

The fourth proportional to 100,865.97, 151,255.20 and 34,288.23 is: 51,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,865.97 : 151,255.20 = 34,288.23 : x
  2. Step 2: Convert to fraction form
    100,865.97/151,255.20 = 34,288.23/x
  3. Step 3: Cross multiply
    100,865.97x = 151,255.20 × 34,288.23
  4. Step 4: Simplify right side
    100,865.97x = 5,186,273,086.30
  5. Step 5: Solve for x
    x = 5,186,273,086.30/100,865.97
  6. Step 6: Final answer
    x = 51,417.47

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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.