Home / 151,315.20-227,102.40-67,204.80

Finding the Fourth Proportional to 151,315.20, 227,102.40 and 67,204.80

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Solution

The fourth proportional to 151,315.20, 227,102.40 and 67,204.80 is: 100,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,315.20 : 227,102.40 = 67,204.80 : x
  2. Step 2: Convert to fraction form
    151,315.20/227,102.40 = 67,204.80/x
  3. Step 3: Cross multiply
    151,315.20x = 227,102.40 × 67,204.80
  4. Step 4: Simplify right side
    151,315.20x = 15,262,371,371.52
  5. Step 5: Solve for x
    x = 15,262,371,371.52/151,315.20
  6. Step 6: Final answer
    x = 100,864.76

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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.