Home / 189,382.92-261,348.14-104,499.96

Finding the Fourth Proportional to 189,382.92, 261,348.14 and 104,499.96

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Solution

The fourth proportional to 189,382.92, 261,348.14 and 104,499.96 is: 144,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,382.92 : 261,348.14 = 104,499.96 : x
  2. Step 2: Convert to fraction form
    189,382.92/261,348.14 = 104,499.96/x
  3. Step 3: Cross multiply
    189,382.92x = 261,348.14 × 104,499.96
  4. Step 4: Simplify right side
    189,382.92x = 27,310,870,176.07
  5. Step 5: Solve for x
    x = 27,310,870,176.07/189,382.92
  6. Step 6: Final answer
    x = 144,209.79

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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.