Home / 154,150.20-231,225.30-43,327.80

Finding the Fourth Proportional to 154,150.20, 231,225.30 and 43,327.80

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Solution

The fourth proportional to 154,150.20, 231,225.30 and 43,327.80 is: 64,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,150.20 : 231,225.30 = 43,327.80 : x
  2. Step 2: Convert to fraction form
    154,150.20/231,225.30 = 43,327.80/x
  3. Step 3: Cross multiply
    154,150.20x = 231,225.30 × 43,327.80
  4. Step 4: Simplify right side
    154,150.20x = 10,018,483,553.34
  5. Step 5: Solve for x
    x = 10,018,483,553.34/154,150.20
  6. Step 6: Final answer
    x = 64,991.70

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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.