Home / 149,849.12-206,795.83-89,454.80

Finding the Fourth Proportional to 149,849.12, 206,795.83 and 89,454.80

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Solution

The fourth proportional to 149,849.12, 206,795.83 and 89,454.80 is: 123,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,849.12 : 206,795.83 = 89,454.80 : x
  2. Step 2: Convert to fraction form
    149,849.12/206,795.83 = 89,454.80/x
  3. Step 3: Cross multiply
    149,849.12x = 206,795.83 × 89,454.80
  4. Step 4: Simplify right side
    149,849.12x = 18,498,879,613.48
  5. Step 5: Solve for x
    x = 18,498,879,613.48/149,849.12
  6. Step 6: Final answer
    x = 123,450.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.