Home / 165,631.20-248,446.80-146,604.30

Finding the Fourth Proportional to 165,631.20, 248,446.80 and 146,604.30

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Solution

The fourth proportional to 165,631.20, 248,446.80 and 146,604.30 is: 219,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,631.20 : 248,446.80 = 146,604.30 : x
  2. Step 2: Convert to fraction form
    165,631.20/248,446.80 = 146,604.30/x
  3. Step 3: Cross multiply
    165,631.20x = 248,446.80 × 146,604.30
  4. Step 4: Simplify right side
    165,631.20x = 36,423,369,201.24
  5. Step 5: Solve for x
    x = 36,423,369,201.24/165,631.20
  6. Step 6: Final answer
    x = 219,906.45

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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.