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Finding the Fourth Proportional to 146,680.80, 219,729.60 and 80,001.60

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Solution

The fourth proportional to 146,680.80, 219,729.60 and 80,001.60 is: 119,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,680.80 : 219,729.60 = 80,001.60 : x
  2. Step 2: Convert to fraction form
    146,680.80/219,729.60 = 80,001.60/x
  3. Step 3: Cross multiply
    146,680.80x = 219,729.60 × 80,001.60
  4. Step 4: Simplify right side
    146,680.80x = 17,578,719,567.36
  5. Step 5: Solve for x
    x = 17,578,719,567.36/146,680.80
  6. Step 6: Final answer
    x = 119,843.36

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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.