Home / 102,016.55-153,036.47-27,139.75

Finding the Fourth Proportional to 102,016.55, 153,036.47 and 27,139.75

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Solution

The fourth proportional to 102,016.55, 153,036.47 and 27,139.75 is: 40,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,016.55 : 153,036.47 = 27,139.75 : x
  2. Step 2: Convert to fraction form
    102,016.55/153,036.47 = 27,139.75/x
  3. Step 3: Cross multiply
    102,016.55x = 153,036.47 × 27,139.75
  4. Step 4: Simplify right side
    102,016.55x = 4,153,371,221.94
  5. Step 5: Solve for x
    x = 4,153,371,221.94/102,016.55
  6. Step 6: Final answer
    x = 40,712.72

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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.