Home / 172,516.10-238,097.66-103,610.21

Finding the Fourth Proportional to 172,516.10, 238,097.66 and 103,610.21

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Solution

The fourth proportional to 172,516.10, 238,097.66 and 103,610.21 is: 142,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,516.10 : 238,097.66 = 103,610.21 : x
  2. Step 2: Convert to fraction form
    172,516.10/238,097.66 = 103,610.21/x
  3. Step 3: Cross multiply
    172,516.10x = 238,097.66 × 103,610.21
  4. Step 4: Simplify right side
    172,516.10x = 24,669,346,844.57
  5. Step 5: Solve for x
    x = 24,669,346,844.57/172,516.10
  6. Step 6: Final answer
    x = 142,997.36

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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.