Home / 130,218.82-195,343.84-45,961.58

Finding the Fourth Proportional to 130,218.82, 195,343.84 and 45,961.58

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Solution

The fourth proportional to 130,218.82, 195,343.84 and 45,961.58 is: 68,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,218.82 : 195,343.84 = 45,961.58 : x
  2. Step 2: Convert to fraction form
    130,218.82/195,343.84 = 45,961.58/x
  3. Step 3: Cross multiply
    130,218.82x = 195,343.84 × 45,961.58
  4. Step 4: Simplify right side
    130,218.82x = 8,978,311,529.67
  5. Step 5: Solve for x
    x = 8,978,311,529.67/130,218.82
  6. Step 6: Final answer
    x = 68,947.88

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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.