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Finding the Fourth Proportional to 165,557.66, 228,513.56 and 101,948.76

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Solution

The fourth proportional to 165,557.66, 228,513.56 and 101,948.76 is: 140,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,557.66 : 228,513.56 = 101,948.76 : x
  2. Step 2: Convert to fraction form
    165,557.66/228,513.56 = 101,948.76/x
  3. Step 3: Cross multiply
    165,557.66x = 228,513.56 × 101,948.76
  4. Step 4: Simplify right side
    165,557.66x = 23,296,673,575.44
  5. Step 5: Solve for x
    x = 23,296,673,575.44/165,557.66
  6. Step 6: Final answer
    x = 140,716.38

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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.