Home / 146,999.80-220,272.90-109,383.40

Finding the Fourth Proportional to 146,999.80, 220,272.90 and 109,383.40

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Solution

The fourth proportional to 146,999.80, 220,272.90 and 109,383.40 is: 163,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,999.80 : 220,272.90 = 109,383.40 : x
  2. Step 2: Convert to fraction form
    146,999.80/220,272.90 = 109,383.40/x
  3. Step 3: Cross multiply
    146,999.80x = 220,272.90 × 109,383.40
  4. Step 4: Simplify right side
    146,999.80x = 24,094,198,729.86
  5. Step 5: Solve for x
    x = 24,094,198,729.86/146,999.80
  6. Step 6: Final answer
    x = 163,906.34

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1.5x scale

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.