Home / 188,776.28-260,517.18-107,107.98

Finding the Fourth Proportional to 188,776.28, 260,517.18 and 107,107.98

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Solution

The fourth proportional to 188,776.28, 260,517.18 and 107,107.98 is: 147,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,776.28 : 260,517.18 = 107,107.98 : x
  2. Step 2: Convert to fraction form
    188,776.28/260,517.18 = 107,107.98/x
  3. Step 3: Cross multiply
    188,776.28x = 260,517.18 × 107,107.98
  4. Step 4: Simplify right side
    188,776.28x = 27,903,468,905.10
  5. Step 5: Solve for x
    x = 27,903,468,905.10/188,776.28
  6. Step 6: Final answer
    x = 147,812.37

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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.