Home / 189,732.91-261,821.10-104,844.50

Finding the Fourth Proportional to 189,732.91, 261,821.10 and 104,844.50

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Solution

The fourth proportional to 189,732.91, 261,821.10 and 104,844.50 is: 144,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,732.91 : 261,821.10 = 104,844.50 : x
  2. Step 2: Convert to fraction form
    189,732.91/261,821.10 = 104,844.50/x
  3. Step 3: Cross multiply
    189,732.91x = 261,821.10 × 104,844.50
  4. Step 4: Simplify right side
    189,732.91x = 27,450,502,318.95
  5. Step 5: Solve for x
    x = 27,450,502,318.95/189,732.91
  6. Step 6: Final answer
    x = 144,679.71

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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.