Home / 130,268.40-195,265.80-82,919.76

Finding the Fourth Proportional to 130,268.40, 195,265.80 and 82,919.76

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Solution

The fourth proportional to 130,268.40, 195,265.80 and 82,919.76 is: 124,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,268.40 : 195,265.80 = 82,919.76 : x
  2. Step 2: Convert to fraction form
    130,268.40/195,265.80 = 82,919.76/x
  3. Step 3: Cross multiply
    130,268.40x = 195,265.80 × 82,919.76
  4. Step 4: Simplify right side
    130,268.40x = 16,191,393,272.21
  5. Step 5: Solve for x
    x = 16,191,393,272.21/130,268.40
  6. Step 6: Final answer
    x = 124,292.56

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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.