Home / 146,821.40-220,232.10-123,201.80

Finding the Fourth Proportional to 146,821.40, 220,232.10 and 123,201.80

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Solution

The fourth proportional to 146,821.40, 220,232.10 and 123,201.80 is: 184,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,821.40 : 220,232.10 = 123,201.80 : x
  2. Step 2: Convert to fraction form
    146,821.40/220,232.10 = 123,201.80/x
  3. Step 3: Cross multiply
    146,821.40x = 220,232.10 × 123,201.80
  4. Step 4: Simplify right side
    146,821.40x = 27,132,991,137.78
  5. Step 5: Solve for x
    x = 27,132,991,137.78/146,821.40
  6. Step 6: Final answer
    x = 184,802.70

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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.