Home / 165,182.28-228,021.30-111,539.94

Finding the Fourth Proportional to 165,182.28, 228,021.30 and 111,539.94

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Solution

The fourth proportional to 165,182.28, 228,021.30 and 111,539.94 is: 153,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,182.28 : 228,021.30 = 111,539.94 : x
  2. Step 2: Convert to fraction form
    165,182.28/228,021.30 = 111,539.94/x
  3. Step 3: Cross multiply
    165,182.28x = 228,021.30 × 111,539.94
  4. Step 4: Simplify right side
    165,182.28x = 25,433,482,120.72
  5. Step 5: Solve for x
    x = 25,433,482,120.72/165,182.28
  6. Step 6: Final answer
    x = 153,972.22

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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.