Home / 152,000.32-228,046.61-80,910.85

Finding the Fourth Proportional to 152,000.32, 228,046.61 and 80,910.85

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Solution

The fourth proportional to 152,000.32, 228,046.61 and 80,910.85 is: 121,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,000.32 : 228,046.61 = 80,910.85 : x
  2. Step 2: Convert to fraction form
    152,000.32/228,046.61 = 80,910.85/x
  3. Step 3: Cross multiply
    152,000.32x = 228,046.61 × 80,910.85
  4. Step 4: Simplify right side
    152,000.32x = 18,451,445,054.72
  5. Step 5: Solve for x
    x = 18,451,445,054.72/152,000.32
  6. Step 6: Final answer
    x = 121,390.83

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1.5x scale

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.