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Finding the Fourth Proportional to 164,730, 227,351.80 and 104,306.26

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Solution

The fourth proportional to 164,730, 227,351.80 and 104,306.26 is: 143,958.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,730 : 227,351.80 = 104,306.26 : x
  2. Step 2: Convert to fraction form
    164,730/227,351.80 = 104,306.26/x
  3. Step 3: Cross multiply
    164,730x = 227,351.80 × 104,306.26
  4. Step 4: Simplify right side
    164,730x = 23,714,215,962.27
  5. Step 5: Solve for x
    x = 23,714,215,962.27/164,730
  6. Step 6: Final answer
    x = 143,958.09

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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.