Home / 164,524.20-227,043.48-89,072.72

Finding the Fourth Proportional to 164,524.20, 227,043.48 and 89,072.72

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Solution

The fourth proportional to 164,524.20, 227,043.48 and 89,072.72 is: 122,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,524.20 : 227,043.48 = 89,072.72 : x
  2. Step 2: Convert to fraction form
    164,524.20/227,043.48 = 89,072.72/x
  3. Step 3: Cross multiply
    164,524.20x = 227,043.48 × 89,072.72
  4. Step 4: Simplify right side
    164,524.20x = 20,223,380,321.87
  5. Step 5: Solve for x
    x = 20,223,380,321.87/164,524.20
  6. Step 6: Final answer
    x = 122,920.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.