Home / 181,112.17-271,727.29-91,108.43

Finding the Fourth Proportional to 181,112.17, 271,727.29 and 91,108.43

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Solution

The fourth proportional to 181,112.17, 271,727.29 and 91,108.43 is: 136,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,112.17 : 271,727.29 = 91,108.43 : x
  2. Step 2: Convert to fraction form
    181,112.17/271,727.29 = 91,108.43/x
  3. Step 3: Cross multiply
    181,112.17x = 271,727.29 × 91,108.43
  4. Step 4: Simplify right side
    181,112.17x = 24,756,646,780.05
  5. Step 5: Solve for x
    x = 24,756,646,780.05/181,112.17
  6. Step 6: Final answer
    x = 136,692.34

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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.