Home / 101,023.20-151,380-50,963.76

Finding the Fourth Proportional to 101,023.20, 151,380 and 50,963.76

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Solution

The fourth proportional to 101,023.20, 151,380 and 50,963.76 is: 76,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,023.20 : 151,380 = 50,963.76 : x
  2. Step 2: Convert to fraction form
    101,023.20/151,380 = 50,963.76/x
  3. Step 3: Cross multiply
    101,023.20x = 151,380 × 50,963.76
  4. Step 4: Simplify right side
    101,023.20x = 7,714,893,988.80
  5. Step 5: Solve for x
    x = 7,714,893,988.80/101,023.20
  6. Step 6: Final answer
    x = 76,367.55

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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.