Home / 111,755.28-154,221.45-60,768.04

Finding the Fourth Proportional to 111,755.28, 154,221.45 and 60,768.04

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Solution

The fourth proportional to 111,755.28, 154,221.45 and 60,768.04 is: 83,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,755.28 : 154,221.45 = 60,768.04 : x
  2. Step 2: Convert to fraction form
    111,755.28/154,221.45 = 60,768.04/x
  3. Step 3: Cross multiply
    111,755.28x = 154,221.45 × 60,768.04
  4. Step 4: Simplify right side
    111,755.28x = 9,371,734,436.25
  5. Step 5: Solve for x
    x = 9,371,734,436.25/111,755.28
  6. Step 6: Final answer
    x = 83,859.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.