Home / 78,093.26-117,147.09-25,503.02

Finding the Fourth Proportional to 78,093.26, 117,147.09 and 25,503.02

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Solution

The fourth proportional to 78,093.26, 117,147.09 and 25,503.02 is: 38,256.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,093.26 : 117,147.09 = 25,503.02 : x
  2. Step 2: Convert to fraction form
    78,093.26/117,147.09 = 25,503.02/x
  3. Step 3: Cross multiply
    78,093.26x = 117,147.09 × 25,503.02
  4. Step 4: Simplify right side
    78,093.26x = 2,987,604,579.21
  5. Step 5: Solve for x
    x = 2,987,604,579.21/78,093.26
  6. Step 6: Final answer
    x = 38,256.88

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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.