Home / 130,125.20-195,260.70-55,232.60

Finding the Fourth Proportional to 130,125.20, 195,260.70 and 55,232.60

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Solution

The fourth proportional to 130,125.20, 195,260.70 and 55,232.60 is: 82,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,125.20 : 195,260.70 = 55,232.60 : x
  2. Step 2: Convert to fraction form
    130,125.20/195,260.70 = 55,232.60/x
  3. Step 3: Cross multiply
    130,125.20x = 195,260.70 × 55,232.60
  4. Step 4: Simplify right side
    130,125.20x = 10,784,756,138.82
  5. Step 5: Solve for x
    x = 10,784,756,138.82/130,125.20
  6. Step 6: Final answer
    x = 82,879.84

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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.