Home / 109,634.57-164,437.99-34,755.45

Finding the Fourth Proportional to 109,634.57, 164,437.99 and 34,755.45

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Solution

The fourth proportional to 109,634.57, 164,437.99 and 34,755.45 is: 52,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,634.57 : 164,437.99 = 34,755.45 : x
  2. Step 2: Convert to fraction form
    109,634.57/164,437.99 = 34,755.45/x
  3. Step 3: Cross multiply
    109,634.57x = 164,437.99 × 34,755.45
  4. Step 4: Simplify right side
    109,634.57x = 5,715,115,517.36
  5. Step 5: Solve for x
    x = 5,715,115,517.36/109,634.57
  6. Step 6: Final answer
    x = 52,128.77

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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.