Home / 146,630.23-220,100.87-129,872.03

Finding the Fourth Proportional to 146,630.23, 220,100.87 and 129,872.03

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Solution

The fourth proportional to 146,630.23, 220,100.87 and 129,872.03 is: 194,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,630.23 : 220,100.87 = 129,872.03 : x
  2. Step 2: Convert to fraction form
    146,630.23/220,100.87 = 129,872.03/x
  3. Step 3: Cross multiply
    146,630.23x = 220,100.87 × 129,872.03
  4. Step 4: Simplify right side
    146,630.23x = 28,584,946,015.84
  5. Step 5: Solve for x
    x = 28,584,946,015.84/146,630.23
  6. Step 6: Final answer
    x = 194,945.79

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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.