Home / 105,674.38-158,532.28-39,115.08

Finding the Fourth Proportional to 105,674.38, 158,532.28 and 39,115.08

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Solution

The fourth proportional to 105,674.38, 158,532.28 and 39,115.08 is: 58,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,674.38 : 158,532.28 = 39,115.08 : x
  2. Step 2: Convert to fraction form
    105,674.38/158,532.28 = 39,115.08/x
  3. Step 3: Cross multiply
    105,674.38x = 158,532.28 × 39,115.08
  4. Step 4: Simplify right side
    105,674.38x = 6,201,002,814.78
  5. Step 5: Solve for x
    x = 6,201,002,814.78/105,674.38
  6. Step 6: Final answer
    x = 58,680.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.