Home / 130,163.20-195,274.82-55,285.76

Finding the Fourth Proportional to 130,163.20, 195,274.82 and 55,285.76

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Solution

The fourth proportional to 130,163.20, 195,274.82 and 55,285.76 is: 82,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,163.20 : 195,274.82 = 55,285.76 : x
  2. Step 2: Convert to fraction form
    130,163.20/195,274.82 = 55,285.76/x
  3. Step 3: Cross multiply
    130,163.20x = 195,274.82 × 55,285.76
  4. Step 4: Simplify right side
    130,163.20x = 10,795,916,832.56
  5. Step 5: Solve for x
    x = 10,795,916,832.56/130,163.20
  6. Step 6: Final answer
    x = 82,941.39

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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.