Home / 151,948.20-227,987.10-73,021.80

Finding the Fourth Proportional to 151,948.20, 227,987.10 and 73,021.80

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Solution

The fourth proportional to 151,948.20, 227,987.10 and 73,021.80 is: 109,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,948.20 : 227,987.10 = 73,021.80 : x
  2. Step 2: Convert to fraction form
    151,948.20/227,987.10 = 73,021.80/x
  3. Step 3: Cross multiply
    151,948.20x = 227,987.10 × 73,021.80
  4. Step 4: Simplify right side
    151,948.20x = 16,648,028,418.78
  5. Step 5: Solve for x
    x = 16,648,028,418.78/151,948.20
  6. Step 6: Final answer
    x = 109,563.84

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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.