Home / 165,630.20-248,445.30-146,603.30

Finding the Fourth Proportional to 165,630.20, 248,445.30 and 146,603.30

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Solution

The fourth proportional to 165,630.20, 248,445.30 and 146,603.30 is: 219,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,630.20 : 248,445.30 = 146,603.30 : x
  2. Step 2: Convert to fraction form
    165,630.20/248,445.30 = 146,603.30/x
  3. Step 3: Cross multiply
    165,630.20x = 248,445.30 × 146,603.30
  4. Step 4: Simplify right side
    165,630.20x = 36,422,900,849.49
  5. Step 5: Solve for x
    x = 36,422,900,849.49/165,630.20
  6. Step 6: Final answer
    x = 219,904.95

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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.