Home / 120,198.06-179,512.92-102,237.30

Finding the Fourth Proportional to 120,198.06, 179,512.92 and 102,237.30

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Solution

The fourth proportional to 120,198.06, 179,512.92 and 102,237.30 is: 152,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,198.06 : 179,512.92 = 102,237.30 : x
  2. Step 2: Convert to fraction form
    120,198.06/179,512.92 = 102,237.30/x
  3. Step 3: Cross multiply
    120,198.06x = 179,512.92 × 102,237.30
  4. Step 4: Simplify right side
    120,198.06x = 18,352,916,255.92
  5. Step 5: Solve for x
    x = 18,352,916,255.92/120,198.06
  6. Step 6: Final answer
    x = 152,688.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.