Home / 126,542.01-189,832.47-42,286.62

Finding the Fourth Proportional to 126,542.01, 189,832.47 and 42,286.62

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Solution

The fourth proportional to 126,542.01, 189,832.47 and 42,286.62 is: 63,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,542.01 : 189,832.47 = 42,286.62 : x
  2. Step 2: Convert to fraction form
    126,542.01/189,832.47 = 42,286.62/x
  3. Step 3: Cross multiply
    126,542.01x = 189,832.47 × 42,286.62
  4. Step 4: Simplify right side
    126,542.01x = 8,027,373,522.55
  5. Step 5: Solve for x
    x = 8,027,373,522.55/126,542.01
  6. Step 6: Final answer
    x = 63,436.43

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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.