Home / 189,769.04-261,853.32-108,098

Finding the Fourth Proportional to 189,769.04, 261,853.32 and 108,098

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Solution

The fourth proportional to 189,769.04, 261,853.32 and 108,098 is: 149,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,769.04 : 261,853.32 = 108,098 : x
  2. Step 2: Convert to fraction form
    189,769.04/261,853.32 = 108,098/x
  3. Step 3: Cross multiply
    189,769.04x = 261,853.32 × 108,098
  4. Step 4: Simplify right side
    189,769.04x = 28,305,820,185.36
  5. Step 5: Solve for x
    x = 28,305,820,185.36/189,769.04
  6. Step 6: Final answer
    x = 149,159.32

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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.