Home / 149,150.25-205,827.75-82,082.25

Finding the Fourth Proportional to 149,150.25, 205,827.75 and 82,082.25

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Solution

The fourth proportional to 149,150.25, 205,827.75 and 82,082.25 is: 113,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,150.25 : 205,827.75 = 82,082.25 : x
  2. Step 2: Convert to fraction form
    149,150.25/205,827.75 = 82,082.25/x
  3. Step 3: Cross multiply
    149,150.25x = 205,827.75 × 82,082.25
  4. Step 4: Simplify right side
    149,150.25x = 16,894,804,832.44
  5. Step 5: Solve for x
    x = 16,894,804,832.44/149,150.25
  6. Step 6: Final answer
    x = 113,273.73

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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.