Home / 195,427.73-269,321.69-156,621.48

Finding the Fourth Proportional to 195,427.73, 269,321.69 and 156,621.48

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Solution

The fourth proportional to 195,427.73, 269,321.69 and 156,621.48 is: 215,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,427.73 : 269,321.69 = 156,621.48 : x
  2. Step 2: Convert to fraction form
    195,427.73/269,321.69 = 156,621.48/x
  3. Step 3: Cross multiply
    195,427.73x = 269,321.69 × 156,621.48
  4. Step 4: Simplify right side
    195,427.73x = 42,181,561,683.90
  5. Step 5: Solve for x
    x = 42,181,561,683.90/195,427.73
  6. Step 6: Final answer
    x = 215,842.25

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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.