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Finding the Fourth Proportional to 119,733.44, 179,929 and 111,932.24

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Solution

The fourth proportional to 119,733.44, 179,929 and 111,932.24 is: 168,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,733.44 : 179,929 = 111,932.24 : x
  2. Step 2: Convert to fraction form
    119,733.44/179,929 = 111,932.24/x
  3. Step 3: Cross multiply
    119,733.44x = 179,929 × 111,932.24
  4. Step 4: Simplify right side
    119,733.44x = 20,139,856,010.96
  5. Step 5: Solve for x
    x = 20,139,856,010.96/119,733.44
  6. Step 6: Final answer
    x = 168,205.77

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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.