Home / 164,142.78-226,516.68-88,691.28

Finding the Fourth Proportional to 164,142.78, 226,516.68 and 88,691.28

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Solution

The fourth proportional to 164,142.78, 226,516.68 and 88,691.28 is: 122,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,142.78 : 226,516.68 = 88,691.28 : x
  2. Step 2: Convert to fraction form
    164,142.78/226,516.68 = 88,691.28/x
  3. Step 3: Cross multiply
    164,142.78x = 226,516.68 × 88,691.28
  4. Step 4: Simplify right side
    164,142.78x = 20,090,054,290.55
  5. Step 5: Solve for x
    x = 20,090,054,290.55/164,142.78
  6. Step 6: Final answer
    x = 122,393.77

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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.