Home / 188,719.08-260,432.33-103,836.14

Finding the Fourth Proportional to 188,719.08, 260,432.33 and 103,836.14

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Solution

The fourth proportional to 188,719.08, 260,432.33 and 103,836.14 is: 143,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,719.08 : 260,432.33 = 103,836.14 : x
  2. Step 2: Convert to fraction form
    188,719.08/260,432.33 = 103,836.14/x
  3. Step 3: Cross multiply
    188,719.08x = 260,432.33 × 103,836.14
  4. Step 4: Simplify right side
    188,719.08x = 27,042,287,878.41
  5. Step 5: Solve for x
    x = 27,042,287,878.41/188,719.08
  6. Step 6: Final answer
    x = 143,293.87

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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.