Home / 129,822.72-194,643.84-50,944.80

Finding the Fourth Proportional to 129,822.72, 194,643.84 and 50,944.80

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Solution

The fourth proportional to 129,822.72, 194,643.84 and 50,944.80 is: 76,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,822.72 : 194,643.84 = 50,944.80 : x
  2. Step 2: Convert to fraction form
    129,822.72/194,643.84 = 50,944.80/x
  3. Step 3: Cross multiply
    129,822.72x = 194,643.84 × 50,944.80
  4. Step 4: Simplify right side
    129,822.72x = 9,916,091,500.03
  5. Step 5: Solve for x
    x = 9,916,091,500.03/129,822.72
  6. Step 6: Final answer
    x = 76,381.79

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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.