Home / 102,016.62-153,036.57-27,139.81

Finding the Fourth Proportional to 102,016.62, 153,036.57 and 27,139.81

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Solution

The fourth proportional to 102,016.62, 153,036.57 and 27,139.81 is: 40,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,016.62 : 153,036.57 = 27,139.81 : x
  2. Step 2: Convert to fraction form
    102,016.62/153,036.57 = 27,139.81/x
  3. Step 3: Cross multiply
    102,016.62x = 153,036.57 × 27,139.81
  4. Step 4: Simplify right side
    102,016.62x = 4,153,383,432.85
  5. Step 5: Solve for x
    x = 4,153,383,432.85/102,016.62
  6. Step 6: Final answer
    x = 40,712.81

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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.