Home / 84,181.68-126,163.42-34,203.77

Finding the Fourth Proportional to 84,181.68, 126,163.42 and 34,203.77

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Solution

The fourth proportional to 84,181.68, 126,163.42 and 34,203.77 is: 51,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,181.68 : 126,163.42 = 34,203.77 : x
  2. Step 2: Convert to fraction form
    84,181.68/126,163.42 = 34,203.77/x
  3. Step 3: Cross multiply
    84,181.68x = 126,163.42 × 34,203.77
  4. Step 4: Simplify right side
    84,181.68x = 4,315,264,549.28
  5. Step 5: Solve for x
    x = 4,315,264,549.28/84,181.68
  6. Step 6: Final answer
    x = 51,261.33

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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.