Home / 72,932.90-109,418.79-26,186.18

Finding the Fourth Proportional to 72,932.90, 109,418.79 and 26,186.18

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Solution

The fourth proportional to 72,932.90, 109,418.79 and 26,186.18 is: 39,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,932.90 : 109,418.79 = 26,186.18 : x
  2. Step 2: Convert to fraction form
    72,932.90/109,418.79 = 26,186.18/x
  3. Step 3: Cross multiply
    72,932.90x = 109,418.79 × 26,186.18
  4. Step 4: Simplify right side
    72,932.90x = 2,865,259,583.23
  5. Step 5: Solve for x
    x = 2,865,259,583.23/72,932.90
  6. Step 6: Final answer
    x = 39,286.25

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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.