Home / 165,372.60-228,195.18-93,738.36

Finding the Fourth Proportional to 165,372.60, 228,195.18 and 93,738.36

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Solution

The fourth proportional to 165,372.60, 228,195.18 and 93,738.36 is: 129,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,372.60 : 228,195.18 = 93,738.36 : x
  2. Step 2: Convert to fraction form
    165,372.60/228,195.18 = 93,738.36/x
  3. Step 3: Cross multiply
    165,372.60x = 228,195.18 × 93,738.36
  4. Step 4: Simplify right side
    165,372.60x = 21,390,641,933.10
  5. Step 5: Solve for x
    x = 21,390,641,933.10/165,372.60
  6. Step 6: Final answer
    x = 129,348.16

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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.