Home / 165,389.97-228,255.12-97,428.33

Finding the Fourth Proportional to 165,389.97, 228,255.12 and 97,428.33

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Solution

The fourth proportional to 165,389.97, 228,255.12 and 97,428.33 is: 134,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,389.97 : 228,255.12 = 97,428.33 : x
  2. Step 2: Convert to fraction form
    165,389.97/228,255.12 = 97,428.33/x
  3. Step 3: Cross multiply
    165,389.97x = 228,255.12 × 97,428.33
  4. Step 4: Simplify right side
    165,389.97x = 22,238,515,155.55
  5. Step 5: Solve for x
    x = 22,238,515,155.55/165,389.97
  6. Step 6: Final answer
    x = 134,461.09

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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.