Home / 164,343.72-226,932.58-104,020.78

Finding the Fourth Proportional to 164,343.72, 226,932.58 and 104,020.78

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Solution

The fourth proportional to 164,343.72, 226,932.58 and 104,020.78 is: 143,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,343.72 : 226,932.58 = 104,020.78 : x
  2. Step 2: Convert to fraction form
    164,343.72/226,932.58 = 104,020.78/x
  3. Step 3: Cross multiply
    164,343.72x = 226,932.58 × 104,020.78
  4. Step 4: Simplify right side
    164,343.72x = 23,605,703,979.01
  5. Step 5: Solve for x
    x = 23,605,703,979.01/164,343.72
  6. Step 6: Final answer
    x = 143,636.18

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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.