Home / 149,815.16-206,745.06-82,747.16

Finding the Fourth Proportional to 149,815.16, 206,745.06 and 82,747.16

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Solution

The fourth proportional to 149,815.16, 206,745.06 and 82,747.16 is: 114,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,815.16 : 206,745.06 = 82,747.16 : x
  2. Step 2: Convert to fraction form
    149,815.16/206,745.06 = 82,747.16/x
  3. Step 3: Cross multiply
    149,815.16x = 206,745.06 × 82,747.16
  4. Step 4: Simplify right side
    149,815.16x = 17,107,566,559.03
  5. Step 5: Solve for x
    x = 17,107,566,559.03/149,815.16
  6. Step 6: Final answer
    x = 114,191.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.