Home / 153,906.48-231,229.62-145,409.58

Finding the Fourth Proportional to 153,906.48, 231,229.62 and 145,409.58

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Solution

The fourth proportional to 153,906.48, 231,229.62 and 145,409.58 is: 218,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,906.48 : 231,229.62 = 145,409.58 : x
  2. Step 2: Convert to fraction form
    153,906.48/231,229.62 = 145,409.58/x
  3. Step 3: Cross multiply
    153,906.48x = 231,229.62 × 145,409.58
  4. Step 4: Simplify right side
    153,906.48x = 33,623,001,927.76
  5. Step 5: Solve for x
    x = 33,623,001,927.76/153,906.48
  6. Step 6: Final answer
    x = 218,463.85

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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.