Home / 159,217.41-238,629.29-80,354.19

Finding the Fourth Proportional to 159,217.41, 238,629.29 and 80,354.19

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Solution

The fourth proportional to 159,217.41, 238,629.29 and 80,354.19 is: 120,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,217.41 : 238,629.29 = 80,354.19 : x
  2. Step 2: Convert to fraction form
    159,217.41/238,629.29 = 80,354.19/x
  3. Step 3: Cross multiply
    159,217.41x = 238,629.29 × 80,354.19
  4. Step 4: Simplify right side
    159,217.41x = 19,174,862,906.45
  5. Step 5: Solve for x
    x = 19,174,862,906.45/159,217.41
  6. Step 6: Final answer
    x = 120,431.95

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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.