Home / 84,553.84-126,832-40,185.12

Finding the Fourth Proportional to 84,553.84, 126,832 and 40,185.12

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Solution

The fourth proportional to 84,553.84, 126,832 and 40,185.12 is: 60,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,553.84 : 126,832 = 40,185.12 : x
  2. Step 2: Convert to fraction form
    84,553.84/126,832 = 40,185.12/x
  3. Step 3: Cross multiply
    84,553.84x = 126,832 × 40,185.12
  4. Step 4: Simplify right side
    84,553.84x = 5,096,759,139.84
  5. Step 5: Solve for x
    x = 5,096,759,139.84/84,553.84
  6. Step 6: Final answer
    x = 60,278.27

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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.