Home / 129,085.30-193,584.28-49,104.28

Finding the Fourth Proportional to 129,085.30, 193,584.28 and 49,104.28

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Solution

The fourth proportional to 129,085.30, 193,584.28 and 49,104.28 is: 73,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,085.30 : 193,584.28 = 49,104.28 : x
  2. Step 2: Convert to fraction form
    129,085.30/193,584.28 = 49,104.28/x
  3. Step 3: Cross multiply
    129,085.30x = 193,584.28 × 49,104.28
  4. Step 4: Simplify right side
    129,085.30x = 9,505,815,811.10
  5. Step 5: Solve for x
    x = 9,505,815,811.10/129,085.30
  6. Step 6: Final answer
    x = 73,639.80

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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.