Home / 78,194.27-117,291.41-19,029.94

Finding the Fourth Proportional to 78,194.27, 117,291.41 and 19,029.94

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Solution

The fourth proportional to 78,194.27, 117,291.41 and 19,029.94 is: 28,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,194.27 : 117,291.41 = 19,029.94 : x
  2. Step 2: Convert to fraction form
    78,194.27/117,291.41 = 19,029.94/x
  3. Step 3: Cross multiply
    78,194.27x = 117,291.41 × 19,029.94
  4. Step 4: Simplify right side
    78,194.27x = 2,232,048,078.76
  5. Step 5: Solve for x
    x = 2,232,048,078.76/78,194.27
  6. Step 6: Final answer
    x = 28,544.91

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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.