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Finding the Fourth Proportional to 164,394.56, 246,393.54 and 80,028.28

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Solution

The fourth proportional to 164,394.56, 246,393.54 and 80,028.28 is: 119,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,394.56 : 246,393.54 = 80,028.28 : x
  2. Step 2: Convert to fraction form
    164,394.56/246,393.54 = 80,028.28/x
  3. Step 3: Cross multiply
    164,394.56x = 246,393.54 × 80,028.28
  4. Step 4: Simplify right side
    164,394.56x = 19,718,451,209.31
  5. Step 5: Solve for x
    x = 19,718,451,209.31/164,394.56
  6. Step 6: Final answer
    x = 119,945.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.