Home / 164,148.05-226,629.73-102,978.10

Finding the Fourth Proportional to 164,148.05, 226,629.73 and 102,978.10

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Solution

The fourth proportional to 164,148.05, 226,629.73 and 102,978.10 is: 142,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,148.05 : 226,629.73 = 102,978.10 : x
  2. Step 2: Convert to fraction form
    164,148.05/226,629.73 = 102,978.10/x
  3. Step 3: Cross multiply
    164,148.05x = 226,629.73 × 102,978.10
  4. Step 4: Simplify right side
    164,148.05x = 23,337,898,998.91
  5. Step 5: Solve for x
    x = 23,337,898,998.91/164,148.05
  6. Step 6: Final answer
    x = 142,175.91

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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.