Home / 154,021.80-231,032.70-151,948.20

Finding the Fourth Proportional to 154,021.80, 231,032.70 and 151,948.20

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Solution

The fourth proportional to 154,021.80, 231,032.70 and 151,948.20 is: 227,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,021.80 : 231,032.70 = 151,948.20 : x
  2. Step 2: Convert to fraction form
    154,021.80/231,032.70 = 151,948.20/x
  3. Step 3: Cross multiply
    154,021.80x = 231,032.70 × 151,948.20
  4. Step 4: Simplify right side
    154,021.80x = 35,105,002,906.14
  5. Step 5: Solve for x
    x = 35,105,002,906.14/154,021.80
  6. Step 6: Final answer
    x = 227,922.30

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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.