Home / 180,443.88-270,126.54-109,150.79

Finding the Fourth Proportional to 180,443.88, 270,126.54 and 109,150.79

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Solution

The fourth proportional to 180,443.88, 270,126.54 and 109,150.79 is: 163,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,443.88 : 270,126.54 = 109,150.79 : x
  2. Step 2: Convert to fraction form
    180,443.88/270,126.54 = 109,150.79/x
  3. Step 3: Cross multiply
    180,443.88x = 270,126.54 × 109,150.79
  4. Step 4: Simplify right side
    180,443.88x = 29,484,523,890.33
  5. Step 5: Solve for x
    x = 29,484,523,890.33/180,443.88
  6. Step 6: Final answer
    x = 163,399.97

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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.