Home / 159,247.44-219,766.68-87,632.64

Finding the Fourth Proportional to 159,247.44, 219,766.68 and 87,632.64

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Solution

The fourth proportional to 159,247.44, 219,766.68 and 87,632.64 is: 120,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,247.44 : 219,766.68 = 87,632.64 : x
  2. Step 2: Convert to fraction form
    159,247.44/219,766.68 = 87,632.64/x
  3. Step 3: Cross multiply
    159,247.44x = 219,766.68 × 87,632.64
  4. Step 4: Simplify right side
    159,247.44x = 19,258,734,352.44
  5. Step 5: Solve for x
    x = 19,258,734,352.44/159,247.44
  6. Step 6: Final answer
    x = 120,935.91

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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.