Home / 81,263.26-121,898.09-25,098.37

Finding the Fourth Proportional to 81,263.26, 121,898.09 and 25,098.37

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Solution

The fourth proportional to 81,263.26, 121,898.09 and 25,098.37 is: 37,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,263.26 : 121,898.09 = 25,098.37 : x
  2. Step 2: Convert to fraction form
    81,263.26/121,898.09 = 25,098.37/x
  3. Step 3: Cross multiply
    81,263.26x = 121,898.09 × 25,098.37
  4. Step 4: Simplify right side
    81,263.26x = 3,059,442,934.88
  5. Step 5: Solve for x
    x = 3,059,442,934.88/81,263.26
  6. Step 6: Final answer
    x = 37,648.54

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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.