Home / 84,115.98-126,194.22-31,525.92

Finding the Fourth Proportional to 84,115.98, 126,194.22 and 31,525.92

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Solution

The fourth proportional to 84,115.98, 126,194.22 and 31,525.92 is: 47,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,115.98 : 126,194.22 = 31,525.92 : x
  2. Step 2: Convert to fraction form
    84,115.98/126,194.22 = 31,525.92/x
  3. Step 3: Cross multiply
    84,115.98x = 126,194.22 × 31,525.92
  4. Step 4: Simplify right side
    84,115.98x = 3,978,388,884.18
  5. Step 5: Solve for x
    x = 3,978,388,884.18/84,115.98
  6. Step 6: Final answer
    x = 47,296.47

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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.