Home / 148,742.65-205,267.33-80,759.62

Finding the Fourth Proportional to 148,742.65, 205,267.33 and 80,759.62

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Solution

The fourth proportional to 148,742.65, 205,267.33 and 80,759.62 is: 111,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,742.65 : 205,267.33 = 80,759.62 : x
  2. Step 2: Convert to fraction form
    148,742.65/205,267.33 = 80,759.62/x
  3. Step 3: Cross multiply
    148,742.65x = 205,267.33 × 80,759.62
  4. Step 4: Simplify right side
    148,742.65x = 16,577,311,569.21
  5. Step 5: Solve for x
    x = 16,577,311,569.21/148,742.65
  6. Step 6: Final answer
    x = 111,449.62

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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.