Home / 101,626.20-152,384.30-80,700.86

Finding the Fourth Proportional to 101,626.20, 152,384.30 and 80,700.86

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Solution

The fourth proportional to 101,626.20, 152,384.30 and 80,700.86 is: 121,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,626.20 : 152,384.30 = 80,700.86 : x
  2. Step 2: Convert to fraction form
    101,626.20/152,384.30 = 80,700.86/x
  3. Step 3: Cross multiply
    101,626.20x = 152,384.30 × 80,700.86
  4. Step 4: Simplify right side
    101,626.20x = 12,297,544,060.50
  5. Step 5: Solve for x
    x = 12,297,544,060.50/101,626.20
  6. Step 6: Final answer
    x = 121,007.61

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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.