Home / 151,720.40-227,143.20-101,856.80

Finding the Fourth Proportional to 151,720.40, 227,143.20 and 101,856.80

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Solution

The fourth proportional to 151,720.40, 227,143.20 and 101,856.80 is: 152,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,720.40 : 227,143.20 = 101,856.80 : x
  2. Step 2: Convert to fraction form
    151,720.40/227,143.20 = 101,856.80/x
  3. Step 3: Cross multiply
    151,720.40x = 227,143.20 × 101,856.80
  4. Step 4: Simplify right side
    151,720.40x = 23,136,079,493.76
  5. Step 5: Solve for x
    x = 23,136,079,493.76/151,720.40
  6. Step 6: Final answer
    x = 152,491.55

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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.