Home / 152,358.54-228,450.32-81,193.56

Finding the Fourth Proportional to 152,358.54, 228,450.32 and 81,193.56

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Solution

The fourth proportional to 152,358.54, 228,450.32 and 81,193.56 is: 121,743.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,358.54 : 228,450.32 = 81,193.56 : x
  2. Step 2: Convert to fraction form
    152,358.54/228,450.32 = 81,193.56/x
  3. Step 3: Cross multiply
    152,358.54x = 228,450.32 × 81,193.56
  4. Step 4: Simplify right side
    152,358.54x = 18,548,694,763.94
  5. Step 5: Solve for x
    x = 18,548,694,763.94/152,358.54
  6. Step 6: Final answer
    x = 121,743.72

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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.