Home / 81,395.23-122,097.46-25,243.32

Finding the Fourth Proportional to 81,395.23, 122,097.46 and 25,243.32

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Solution

The fourth proportional to 81,395.23, 122,097.46 and 25,243.32 is: 37,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,395.23 : 122,097.46 = 25,243.32 : x
  2. Step 2: Convert to fraction form
    81,395.23/122,097.46 = 25,243.32/x
  3. Step 3: Cross multiply
    81,395.23x = 122,097.46 × 25,243.32
  4. Step 4: Simplify right side
    81,395.23x = 3,082,145,253.97
  5. Step 5: Solve for x
    x = 3,082,145,253.97/81,395.23
  6. Step 6: Final answer
    x = 37,866.41

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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.