Home / 126,103.08-189,184.06-42,997.16

Finding the Fourth Proportional to 126,103.08, 189,184.06 and 42,997.16

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Solution

The fourth proportional to 126,103.08, 189,184.06 and 42,997.16 is: 64,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,103.08 : 189,184.06 = 42,997.16 : x
  2. Step 2: Convert to fraction form
    126,103.08/189,184.06 = 42,997.16/x
  3. Step 3: Cross multiply
    126,103.08x = 189,184.06 × 42,997.16
  4. Step 4: Simplify right side
    126,103.08x = 8,134,377,297.27
  5. Step 5: Solve for x
    x = 8,134,377,297.27/126,103.08
  6. Step 6: Final answer
    x = 64,505.78

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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.