Home / 181,072.64-271,543.34-81,181.41

Finding the Fourth Proportional to 181,072.64, 271,543.34 and 81,181.41

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Solution

The fourth proportional to 181,072.64, 271,543.34 and 81,181.41 is: 121,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,072.64 : 271,543.34 = 81,181.41 : x
  2. Step 2: Convert to fraction form
    181,072.64/271,543.34 = 81,181.41/x
  3. Step 3: Cross multiply
    181,072.64x = 271,543.34 × 81,181.41
  4. Step 4: Simplify right side
    181,072.64x = 22,044,271,217.31
  5. Step 5: Solve for x
    x = 22,044,271,217.31/181,072.64
  6. Step 6: Final answer
    x = 121,742.70

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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.