Home / 165,668.36-228,631.94-124,759.28

Finding the Fourth Proportional to 165,668.36, 228,631.94 and 124,759.28

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Solution

The fourth proportional to 165,668.36, 228,631.94 and 124,759.28 is: 172,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,668.36 : 228,631.94 = 124,759.28 : x
  2. Step 2: Convert to fraction form
    165,668.36/228,631.94 = 124,759.28/x
  3. Step 3: Cross multiply
    165,668.36x = 228,631.94 × 124,759.28
  4. Step 4: Simplify right side
    165,668.36x = 28,523,956,219.40
  5. Step 5: Solve for x
    x = 28,523,956,219.40/165,668.36
  6. Step 6: Final answer
    x = 172,175.04

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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.