Home / 216,453.18-298,704.51-120,959.85

Finding the Fourth Proportional to 216,453.18, 298,704.51 and 120,959.85

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Solution

The fourth proportional to 216,453.18, 298,704.51 and 120,959.85 is: 166,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,453.18 : 298,704.51 = 120,959.85 : x
  2. Step 2: Convert to fraction form
    216,453.18/298,704.51 = 120,959.85/x
  3. Step 3: Cross multiply
    216,453.18x = 298,704.51 × 120,959.85
  4. Step 4: Simplify right side
    216,453.18x = 36,131,252,723.92
  5. Step 5: Solve for x
    x = 36,131,252,723.92/216,453.18
  6. Step 6: Final answer
    x = 166,924.10

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1.5x scale

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.