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Finding the Fourth Proportional to 79,190.82, 118,788.39 and 23,028.66

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Solution

The fourth proportional to 79,190.82, 118,788.39 and 23,028.66 is: 34,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.82 : 118,788.39 = 23,028.66 : x
  2. Step 2: Convert to fraction form
    79,190.82/118,788.39 = 23,028.66/x
  3. Step 3: Cross multiply
    79,190.82x = 118,788.39 × 23,028.66
  4. Step 4: Simplify right side
    79,190.82x = 2,735,537,445.26
  5. Step 5: Solve for x
    x = 2,735,537,445.26/79,190.82
  6. Step 6: Final answer
    x = 34,543.62

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1.5x scale

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.