Home / 147,654.20-221,481.30-97,790.60

Finding the Fourth Proportional to 147,654.20, 221,481.30 and 97,790.60

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Solution

The fourth proportional to 147,654.20, 221,481.30 and 97,790.60 is: 146,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,654.20 : 221,481.30 = 97,790.60 : x
  2. Step 2: Convert to fraction form
    147,654.20/221,481.30 = 97,790.60/x
  3. Step 3: Cross multiply
    147,654.20x = 221,481.30 × 97,790.60
  4. Step 4: Simplify right side
    147,654.20x = 21,658,789,215.78
  5. Step 5: Solve for x
    x = 21,658,789,215.78/147,654.20
  6. Step 6: Final answer
    x = 146,685.90

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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.