Home / 159,801.28-220,520.44-88,181.34

Finding the Fourth Proportional to 159,801.28, 220,520.44 and 88,181.34

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Solution

The fourth proportional to 159,801.28, 220,520.44 and 88,181.34 is: 121,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,801.28 : 220,520.44 = 88,181.34 : x
  2. Step 2: Convert to fraction form
    159,801.28/220,520.44 = 88,181.34/x
  3. Step 3: Cross multiply
    159,801.28x = 220,520.44 × 88,181.34
  4. Step 4: Simplify right side
    159,801.28x = 19,445,787,896.59
  5. Step 5: Solve for x
    x = 19,445,787,896.59/159,801.28
  6. Step 6: Final answer
    x = 121,687.31

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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.