Home / 171,736.20-257,531.40-83,016.90

Finding the Fourth Proportional to 171,736.20, 257,531.40 and 83,016.90

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Solution

The fourth proportional to 171,736.20, 257,531.40 and 83,016.90 is: 124,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,736.20 : 257,531.40 = 83,016.90 : x
  2. Step 2: Convert to fraction form
    171,736.20/257,531.40 = 83,016.90/x
  3. Step 3: Cross multiply
    171,736.20x = 257,531.40 × 83,016.90
  4. Step 4: Simplify right side
    171,736.20x = 21,379,458,480.66
  5. Step 5: Solve for x
    x = 21,379,458,480.66/171,736.20
  6. Step 6: Final answer
    x = 124,490.11

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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.