Home / 84,755.24-127,138.94-22,425

Finding the Fourth Proportional to 84,755.24, 127,138.94 and 22,425

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Solution

The fourth proportional to 84,755.24, 127,138.94 and 22,425 is: 33,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,755.24 : 127,138.94 = 22,425 : x
  2. Step 2: Convert to fraction form
    84,755.24/127,138.94 = 22,425/x
  3. Step 3: Cross multiply
    84,755.24x = 127,138.94 × 22,425
  4. Step 4: Simplify right side
    84,755.24x = 2,851,090,729.50
  5. Step 5: Solve for x
    x = 2,851,090,729.50/84,755.24
  6. Step 6: Final answer
    x = 33,639.11

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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.