Home / 159,325.71-219,872.25-91,353.75

Finding the Fourth Proportional to 159,325.71, 219,872.25 and 91,353.75

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Solution

The fourth proportional to 159,325.71, 219,872.25 and 91,353.75 is: 126,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,325.71 : 219,872.25 = 91,353.75 : x
  2. Step 2: Convert to fraction form
    159,325.71/219,872.25 = 91,353.75/x
  3. Step 3: Cross multiply
    159,325.71x = 219,872.25 × 91,353.75
  4. Step 4: Simplify right side
    159,325.71x = 20,086,154,558.44
  5. Step 5: Solve for x
    x = 20,086,154,558.44/159,325.71
  6. Step 6: Final answer
    x = 126,069.76

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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.