Home / 188,569.62-260,234.37-103,689.72

Finding the Fourth Proportional to 188,569.62, 260,234.37 and 103,689.72

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Solution

The fourth proportional to 188,569.62, 260,234.37 and 103,689.72 is: 143,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,569.62 : 260,234.37 = 103,689.72 : x
  2. Step 2: Convert to fraction form
    188,569.62/260,234.37 = 103,689.72/x
  3. Step 3: Cross multiply
    188,569.62x = 260,234.37 × 103,689.72
  4. Step 4: Simplify right side
    188,569.62x = 26,983,628,959.68
  5. Step 5: Solve for x
    x = 26,983,628,959.68/188,569.62
  6. Step 6: Final answer
    x = 143,096.37

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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.