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Finding the Fourth Proportional to 146,740.20, 220,110.30 and 68,008.20

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Solution

The fourth proportional to 146,740.20, 220,110.30 and 68,008.20 is: 102,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,740.20 : 220,110.30 = 68,008.20 : x
  2. Step 2: Convert to fraction form
    146,740.20/220,110.30 = 68,008.20/x
  3. Step 3: Cross multiply
    146,740.20x = 220,110.30 × 68,008.20
  4. Step 4: Simplify right side
    146,740.20x = 14,969,305,304.46
  5. Step 5: Solve for x
    x = 14,969,305,304.46/146,740.20
  6. Step 6: Final answer
    x = 102,012.30

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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.