Home / 188,099.56-259,576.68-103,218.04

Finding the Fourth Proportional to 188,099.56, 259,576.68 and 103,218.04

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Solution

The fourth proportional to 188,099.56, 259,576.68 and 103,218.04 is: 142,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,099.56 : 259,576.68 = 103,218.04 : x
  2. Step 2: Convert to fraction form
    188,099.56/259,576.68 = 103,218.04/x
  3. Step 3: Cross multiply
    188,099.56x = 259,576.68 × 103,218.04
  4. Step 4: Simplify right side
    188,099.56x = 26,792,996,139.31
  5. Step 5: Solve for x
    x = 26,792,996,139.31/188,099.56
  6. Step 6: Final answer
    x = 142,440.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.