Home / 219,842.20-329,730.90-62,086.60

Finding the Fourth Proportional to 219,842.20, 329,730.90 and 62,086.60

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Solution

The fourth proportional to 219,842.20, 329,730.90 and 62,086.60 is: 93,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,842.20 : 329,730.90 = 62,086.60 : x
  2. Step 2: Convert to fraction form
    219,842.20/329,730.90 = 62,086.60/x
  3. Step 3: Cross multiply
    219,842.20x = 329,730.90 × 62,086.60
  4. Step 4: Simplify right side
    219,842.20x = 20,471,870,495.94
  5. Step 5: Solve for x
    x = 20,471,870,495.94/219,842.20
  6. Step 6: Final answer
    x = 93,120.75

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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.