Home / 165,748.12-228,672.42-108,420.13

Finding the Fourth Proportional to 165,748.12, 228,672.42 and 108,420.13

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Solution

The fourth proportional to 165,748.12, 228,672.42 and 108,420.13 is: 149,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,748.12 : 228,672.42 = 108,420.13 : x
  2. Step 2: Convert to fraction form
    165,748.12/228,672.42 = 108,420.13/x
  3. Step 3: Cross multiply
    165,748.12x = 228,672.42 × 108,420.13
  4. Step 4: Simplify right side
    165,748.12x = 24,792,693,503.81
  5. Step 5: Solve for x
    x = 24,792,693,503.81/165,748.12
  6. Step 6: Final answer
    x = 149,580.54

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1.5x scale

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.