Home / 146,774.20-220,161.30-145,852.60

Finding the Fourth Proportional to 146,774.20, 220,161.30 and 145,852.60

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Solution

The fourth proportional to 146,774.20, 220,161.30 and 145,852.60 is: 218,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,774.20 : 220,161.30 = 145,852.60 : x
  2. Step 2: Convert to fraction form
    146,774.20/220,161.30 = 145,852.60/x
  3. Step 3: Cross multiply
    146,774.20x = 220,161.30 × 145,852.60
  4. Step 4: Simplify right side
    146,774.20x = 32,111,098,024.38
  5. Step 5: Solve for x
    x = 32,111,098,024.38/146,774.20
  6. Step 6: Final answer
    x = 218,778.90

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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.