Home / 149,610.48-206,448.08-82,538.16

Finding the Fourth Proportional to 149,610.48, 206,448.08 and 82,538.16

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Solution

The fourth proportional to 149,610.48, 206,448.08 and 82,538.16 is: 113,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,610.48 : 206,448.08 = 82,538.16 : x
  2. Step 2: Convert to fraction form
    149,610.48/206,448.08 = 82,538.16/x
  3. Step 3: Cross multiply
    149,610.48x = 206,448.08 × 82,538.16
  4. Step 4: Simplify right side
    149,610.48x = 17,039,844,658.73
  5. Step 5: Solve for x
    x = 17,039,844,658.73/149,610.48
  6. Step 6: Final answer
    x = 113,894.73

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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.