Home / 146,938.74-220,285.23-68,109.54

Finding the Fourth Proportional to 146,938.74, 220,285.23 and 68,109.54

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Solution

The fourth proportional to 146,938.74, 220,285.23 and 68,109.54 is: 102,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,938.74 : 220,285.23 = 68,109.54 : x
  2. Step 2: Convert to fraction form
    146,938.74/220,285.23 = 68,109.54/x
  3. Step 3: Cross multiply
    146,938.74x = 220,285.23 × 68,109.54
  4. Step 4: Simplify right side
    146,938.74x = 15,003,525,684.09
  5. Step 5: Solve for x
    x = 15,003,525,684.09/146,938.74
  6. Step 6: Final answer
    x = 102,107.35

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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.