Home / 216,080.33-298,219.07-120,606.85

Finding the Fourth Proportional to 216,080.33, 298,219.07 and 120,606.85

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Solution

The fourth proportional to 216,080.33, 298,219.07 and 120,606.85 is: 166,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,080.33 : 298,219.07 = 120,606.85 : x
  2. Step 2: Convert to fraction form
    216,080.33/298,219.07 = 120,606.85/x
  3. Step 3: Cross multiply
    216,080.33x = 298,219.07 × 120,606.85
  4. Step 4: Simplify right side
    216,080.33x = 35,967,260,548.50
  5. Step 5: Solve for x
    x = 35,967,260,548.50/216,080.33
  6. Step 6: Final answer
    x = 166,453.19

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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.