Home / 165,749.84-228,661.92-112,015.28

Finding the Fourth Proportional to 165,749.84, 228,661.92 and 112,015.28

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Solution

The fourth proportional to 165,749.84, 228,661.92 and 112,015.28 is: 154,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,749.84 : 228,661.92 = 112,015.28 : x
  2. Step 2: Convert to fraction form
    165,749.84/228,661.92 = 112,015.28/x
  3. Step 3: Cross multiply
    165,749.84x = 228,661.92 × 112,015.28
  4. Step 4: Simplify right side
    165,749.84x = 25,613,628,994.14
  5. Step 5: Solve for x
    x = 25,613,628,994.14/165,749.84
  6. Step 6: Final answer
    x = 154,531.85

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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.