Home / 129,634.40-194,451.60-36,140.15

Finding the Fourth Proportional to 129,634.40, 194,451.60 and 36,140.15

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Solution

The fourth proportional to 129,634.40, 194,451.60 and 36,140.15 is: 54,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,634.40 : 194,451.60 = 36,140.15 : x
  2. Step 2: Convert to fraction form
    129,634.40/194,451.60 = 36,140.15/x
  3. Step 3: Cross multiply
    129,634.40x = 194,451.60 × 36,140.15
  4. Step 4: Simplify right side
    129,634.40x = 7,027,509,991.74
  5. Step 5: Solve for x
    x = 7,027,509,991.74/129,634.40
  6. Step 6: Final answer
    x = 54,210.23

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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.