Home / 218,861.55-328,037.18-100,544.85

Finding the Fourth Proportional to 218,861.55, 328,037.18 and 100,544.85

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Solution

The fourth proportional to 218,861.55, 328,037.18 and 100,544.85 is: 150,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,861.55 : 328,037.18 = 100,544.85 : x
  2. Step 2: Convert to fraction form
    218,861.55/328,037.18 = 100,544.85/x
  3. Step 3: Cross multiply
    218,861.55x = 328,037.18 × 100,544.85
  4. Step 4: Simplify right side
    218,861.55x = 32,982,448,554.80
  5. Step 5: Solve for x
    x = 32,982,448,554.80/218,861.55
  6. Step 6: Final answer
    x = 150,700.06

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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.