Home / 146,970.09-220,466.54-45,755.43

Finding the Fourth Proportional to 146,970.09, 220,466.54 and 45,755.43

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Solution

The fourth proportional to 146,970.09, 220,466.54 and 45,755.43 is: 68,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,970.09 : 220,466.54 = 45,755.43 : x
  2. Step 2: Convert to fraction form
    146,970.09/220,466.54 = 45,755.43/x
  3. Step 3: Cross multiply
    146,970.09x = 220,466.54 × 45,755.43
  4. Step 4: Simplify right side
    146,970.09x = 10,087,541,109.54
  5. Step 5: Solve for x
    x = 10,087,541,109.54/146,970.09
  6. Step 6: Final answer
    x = 68,636.69

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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.