Home / 91,016.20-136,524.30-82,851.40

Finding the Fourth Proportional to 91,016.20, 136,524.30 and 82,851.40

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Solution

The fourth proportional to 91,016.20, 136,524.30 and 82,851.40 is: 124,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,016.20 : 136,524.30 = 82,851.40 : x
  2. Step 2: Convert to fraction form
    91,016.20/136,524.30 = 82,851.40/x
  3. Step 3: Cross multiply
    91,016.20x = 136,524.30 × 82,851.40
  4. Step 4: Simplify right side
    91,016.20x = 11,311,229,389.02
  5. Step 5: Solve for x
    x = 11,311,229,389.02/91,016.20
  6. Step 6: Final answer
    x = 124,277.10

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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.