Home / 165,710.88-228,867.30-111,902.49

Finding the Fourth Proportional to 165,710.88, 228,867.30 and 111,902.49

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Solution

The fourth proportional to 165,710.88, 228,867.30 and 111,902.49 is: 154,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,710.88 : 228,867.30 = 111,902.49 : x
  2. Step 2: Convert to fraction form
    165,710.88/228,867.30 = 111,902.49/x
  3. Step 3: Cross multiply
    165,710.88x = 228,867.30 × 111,902.49
  4. Step 4: Simplify right side
    165,710.88x = 25,610,820,749.58
  5. Step 5: Solve for x
    x = 25,610,820,749.58/165,710.88
  6. Step 6: Final answer
    x = 154,551.23

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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.