Home / 180,935.40-271,403.81-75,680.54

Finding the Fourth Proportional to 180,935.40, 271,403.81 and 75,680.54

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Solution

The fourth proportional to 180,935.40, 271,403.81 and 75,680.54 is: 113,521.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,935.40 : 271,403.81 = 75,680.54 : x
  2. Step 2: Convert to fraction form
    180,935.40/271,403.81 = 75,680.54/x
  3. Step 3: Cross multiply
    180,935.40x = 271,403.81 × 75,680.54
  4. Step 4: Simplify right side
    180,935.40x = 20,539,985,163.44
  5. Step 5: Solve for x
    x = 20,539,985,163.44/180,935.40
  6. Step 6: Final answer
    x = 113,521.10

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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.