Home / 84,101.24-126,185.52-34,185.16

Finding the Fourth Proportional to 84,101.24, 126,185.52 and 34,185.16

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Solution

The fourth proportional to 84,101.24, 126,185.52 and 34,185.16 is: 51,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,101.24 : 126,185.52 = 34,185.16 : x
  2. Step 2: Convert to fraction form
    84,101.24/126,185.52 = 34,185.16/x
  3. Step 3: Cross multiply
    84,101.24x = 126,185.52 × 34,185.16
  4. Step 4: Simplify right side
    84,101.24x = 4,313,672,190.88
  5. Step 5: Solve for x
    x = 4,313,672,190.88/84,101.24
  6. Step 6: Final answer
    x = 51,291.42

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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.