Home / 221,062.37-331,633.64-126,399.29

Finding the Fourth Proportional to 221,062.37, 331,633.64 and 126,399.29

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Solution

The fourth proportional to 221,062.37, 331,633.64 and 126,399.29 is: 189,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,062.37 : 331,633.64 = 126,399.29 : x
  2. Step 2: Convert to fraction form
    221,062.37/331,633.64 = 126,399.29/x
  3. Step 3: Cross multiply
    221,062.37x = 331,633.64 × 126,399.29
  4. Step 4: Simplify right side
    221,062.37x = 41,918,255,293.95
  5. Step 5: Solve for x
    x = 41,918,255,293.95/221,062.37
  6. Step 6: Final answer
    x = 189,621.85

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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.