Home / 194,180.94-291,264.12-80,325.72

Finding the Fourth Proportional to 194,180.94, 291,264.12 and 80,325.72

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Solution

The fourth proportional to 194,180.94, 291,264.12 and 80,325.72 is: 120,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,180.94 : 291,264.12 = 80,325.72 : x
  2. Step 2: Convert to fraction form
    194,180.94/291,264.12 = 80,325.72/x
  3. Step 3: Cross multiply
    194,180.94x = 291,264.12 × 80,325.72
  4. Step 4: Simplify right side
    194,180.94x = 23,396,000,149.17
  5. Step 5: Solve for x
    x = 23,396,000,149.17/194,180.94
  6. Step 6: Final answer
    x = 120,485.56

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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.