Home / 106,482.20-159,723.30-96,640.70

Finding the Fourth Proportional to 106,482.20, 159,723.30 and 96,640.70

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Solution

The fourth proportional to 106,482.20, 159,723.30 and 96,640.70 is: 144,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,482.20 : 159,723.30 = 96,640.70 : x
  2. Step 2: Convert to fraction form
    106,482.20/159,723.30 = 96,640.70/x
  3. Step 3: Cross multiply
    106,482.20x = 159,723.30 × 96,640.70
  4. Step 4: Simplify right side
    106,482.20x = 15,435,771,518.31
  5. Step 5: Solve for x
    x = 15,435,771,518.31/106,482.20
  6. Step 6: Final answer
    x = 144,961.05

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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.