Home / 181,118.51-271,669-68,789.96

Finding the Fourth Proportional to 181,118.51, 271,669 and 68,789.96

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Solution

The fourth proportional to 181,118.51, 271,669 and 68,789.96 is: 103,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,118.51 : 271,669 = 68,789.96 : x
  2. Step 2: Convert to fraction form
    181,118.51/271,669 = 68,789.96/x
  3. Step 3: Cross multiply
    181,118.51x = 271,669 × 68,789.96
  4. Step 4: Simplify right side
    181,118.51x = 18,688,099,643.24
  5. Step 5: Solve for x
    x = 18,688,099,643.24/181,118.51
  6. Step 6: Final answer
    x = 103,181.61

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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.