Home / 130,129.20-195,197.04-36,634.32

Finding the Fourth Proportional to 130,129.20, 195,197.04 and 36,634.32

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Solution

The fourth proportional to 130,129.20, 195,197.04 and 36,634.32 is: 54,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,129.20 : 195,197.04 = 36,634.32 : x
  2. Step 2: Convert to fraction form
    130,129.20/195,197.04 = 36,634.32/x
  3. Step 3: Cross multiply
    130,129.20x = 195,197.04 × 36,634.32
  4. Step 4: Simplify right side
    130,129.20x = 7,150,910,826.41
  5. Step 5: Solve for x
    x = 7,150,910,826.41/130,129.20
  6. Step 6: Final answer
    x = 54,952.39

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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.