Home / 105,524.19-158,288.31-38,930.04

Finding the Fourth Proportional to 105,524.19, 158,288.31 and 38,930.04

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Solution

The fourth proportional to 105,524.19, 158,288.31 and 38,930.04 is: 58,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,524.19 : 158,288.31 = 38,930.04 : x
  2. Step 2: Convert to fraction form
    105,524.19/158,288.31 = 38,930.04/x
  3. Step 3: Cross multiply
    105,524.19x = 158,288.31 × 38,930.04
  4. Step 4: Simplify right side
    105,524.19x = 6,162,170,239.83
  5. Step 5: Solve for x
    x = 6,162,170,239.83/105,524.19
  6. Step 6: Final answer
    x = 58,395.81

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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.