Home / 80,842.88-121,258.67-30,232.27

Finding the Fourth Proportional to 80,842.88, 121,258.67 and 30,232.27

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Solution

The fourth proportional to 80,842.88, 121,258.67 and 30,232.27 is: 45,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,842.88 : 121,258.67 = 30,232.27 : x
  2. Step 2: Convert to fraction form
    80,842.88/121,258.67 = 30,232.27/x
  3. Step 3: Cross multiply
    80,842.88x = 121,258.67 × 30,232.27
  4. Step 4: Simplify right side
    80,842.88x = 3,665,925,021.75
  5. Step 5: Solve for x
    x = 3,665,925,021.75/80,842.88
  6. Step 6: Final answer
    x = 45,346.30

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1.5x scale

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.