Home / 146,814.20-220,221.30-145,892.60

Finding the Fourth Proportional to 146,814.20, 220,221.30 and 145,892.60

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Solution

The fourth proportional to 146,814.20, 220,221.30 and 145,892.60 is: 218,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,814.20 : 220,221.30 = 145,892.60 : x
  2. Step 2: Convert to fraction form
    146,814.20/220,221.30 = 145,892.60/x
  3. Step 3: Cross multiply
    146,814.20x = 220,221.30 × 145,892.60
  4. Step 4: Simplify right side
    146,814.20x = 32,128,658,032.38
  5. Step 5: Solve for x
    x = 32,128,658,032.38/146,814.20
  6. Step 6: Final answer
    x = 218,838.90

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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.