Home / 106,480.20-159,720.30-96,638.70

Finding the Fourth Proportional to 106,480.20, 159,720.30 and 96,638.70

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Solution

The fourth proportional to 106,480.20, 159,720.30 and 96,638.70 is: 144,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,480.20 : 159,720.30 = 96,638.70 : x
  2. Step 2: Convert to fraction form
    106,480.20/159,720.30 = 96,638.70/x
  3. Step 3: Cross multiply
    106,480.20x = 159,720.30 × 96,638.70
  4. Step 4: Simplify right side
    106,480.20x = 15,435,162,155.61
  5. Step 5: Solve for x
    x = 15,435,162,155.61/106,480.20
  6. Step 6: Final answer
    x = 144,958.05

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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.