Home / 159,750.32-220,466.14-91,789.30

Finding the Fourth Proportional to 159,750.32, 220,466.14 and 91,789.30

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Solution

The fourth proportional to 159,750.32, 220,466.14 and 91,789.30 is: 126,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,750.32 : 220,466.14 = 91,789.30 : x
  2. Step 2: Convert to fraction form
    159,750.32/220,466.14 = 91,789.30/x
  3. Step 3: Cross multiply
    159,750.32x = 220,466.14 × 91,789.30
  4. Step 4: Simplify right side
    159,750.32x = 20,236,431,883.66
  5. Step 5: Solve for x
    x = 20,236,431,883.66/159,750.32
  6. Step 6: Final answer
    x = 126,675.37

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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.