Home / 109,228.91-150,782.34-73,439.66

Finding the Fourth Proportional to 109,228.91, 150,782.34 and 73,439.66

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Solution

The fourth proportional to 109,228.91, 150,782.34 and 73,439.66 is: 101,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,228.91 : 150,782.34 = 73,439.66 : x
  2. Step 2: Convert to fraction form
    109,228.91/150,782.34 = 73,439.66/x
  3. Step 3: Cross multiply
    109,228.91x = 150,782.34 × 73,439.66
  4. Step 4: Simplify right side
    109,228.91x = 11,073,404,435.96
  5. Step 5: Solve for x
    x = 11,073,404,435.96/109,228.91
  6. Step 6: Final answer
    x = 101,377.97

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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.