Home / 84,098.32-126,144.74-34,163.64

Finding the Fourth Proportional to 84,098.32, 126,144.74 and 34,163.64

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Solution

The fourth proportional to 84,098.32, 126,144.74 and 34,163.64 is: 51,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,098.32 : 126,144.74 = 34,163.64 : x
  2. Step 2: Convert to fraction form
    84,098.32/126,144.74 = 34,163.64/x
  3. Step 3: Cross multiply
    84,098.32x = 126,144.74 × 34,163.64
  4. Step 4: Simplify right side
    84,098.32x = 4,309,563,485.25
  5. Step 5: Solve for x
    x = 4,309,563,485.25/84,098.32
  6. Step 6: Final answer
    x = 51,244.35

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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.