Home / 192,761.08-289,141.48-80,494.16

Finding the Fourth Proportional to 192,761.08, 289,141.48 and 80,494.16

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Solution

The fourth proportional to 192,761.08, 289,141.48 and 80,494.16 is: 120,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,761.08 : 289,141.48 = 80,494.16 : x
  2. Step 2: Convert to fraction form
    192,761.08/289,141.48 = 80,494.16/x
  3. Step 3: Cross multiply
    192,761.08x = 289,141.48 × 80,494.16
  4. Step 4: Simplify right side
    192,761.08x = 23,274,200,553.76
  5. Step 5: Solve for x
    x = 23,274,200,553.76/192,761.08
  6. Step 6: Final answer
    x = 120,741.18

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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.