Home / 181,105.90-271,464.45-68,742.70

Finding the Fourth Proportional to 181,105.90, 271,464.45 and 68,742.70

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Solution

The fourth proportional to 181,105.90, 271,464.45 and 68,742.70 is: 103,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,105.90 : 271,464.45 = 68,742.70 : x
  2. Step 2: Convert to fraction form
    181,105.90/271,464.45 = 68,742.70/x
  3. Step 3: Cross multiply
    181,105.90x = 271,464.45 × 68,742.70
  4. Step 4: Simplify right side
    181,105.90x = 18,661,199,247.02
  5. Step 5: Solve for x
    x = 18,661,199,247.02/181,105.90
  6. Step 6: Final answer
    x = 103,040.26

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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.