Home / 188,619.17-260,290.18-103,737.65

Finding the Fourth Proportional to 188,619.17, 260,290.18 and 103,737.65

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Solution

The fourth proportional to 188,619.17, 260,290.18 and 103,737.65 is: 143,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,619.17 : 260,290.18 = 103,737.65 : x
  2. Step 2: Convert to fraction form
    188,619.17/260,290.18 = 103,737.65/x
  3. Step 3: Cross multiply
    188,619.17x = 260,290.18 × 103,737.65
  4. Step 4: Simplify right side
    188,619.17x = 27,001,891,982.66
  5. Step 5: Solve for x
    x = 27,001,891,982.66/188,619.17
  6. Step 6: Final answer
    x = 143,155.61

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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.