Home / 89,153.43-133,939.17-84,109.56

Finding the Fourth Proportional to 89,153.43, 133,939.17 and 84,109.56

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Solution

The fourth proportional to 89,153.43, 133,939.17 and 84,109.56 is: 126,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,153.43 : 133,939.17 = 84,109.56 : x
  2. Step 2: Convert to fraction form
    89,153.43/133,939.17 = 84,109.56/x
  3. Step 3: Cross multiply
    89,153.43x = 133,939.17 × 84,109.56
  4. Step 4: Simplify right side
    89,153.43x = 11,265,564,655.47
  5. Step 5: Solve for x
    x = 11,265,564,655.47/89,153.43
  6. Step 6: Final answer
    x = 126,361.54

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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.