Home / 78,503.09-117,755.99-22,344.64

Finding the Fourth Proportional to 78,503.09, 117,755.99 and 22,344.64

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Solution

The fourth proportional to 78,503.09, 117,755.99 and 22,344.64 is: 33,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,503.09 : 117,755.99 = 22,344.64 : x
  2. Step 2: Convert to fraction form
    78,503.09/117,755.99 = 22,344.64/x
  3. Step 3: Cross multiply
    78,503.09x = 117,755.99 × 22,344.64
  4. Step 4: Simplify right side
    78,503.09x = 2,631,215,204.39
  5. Step 5: Solve for x
    x = 2,631,215,204.39/78,503.09
  6. Step 6: Final answer
    x = 33,517.35

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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.