Home / 165,533.18-228,419.97-92,919.43

Finding the Fourth Proportional to 165,533.18, 228,419.97 and 92,919.43

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Solution

The fourth proportional to 165,533.18, 228,419.97 and 92,919.43 is: 128,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,533.18 : 228,419.97 = 92,919.43 : x
  2. Step 2: Convert to fraction form
    165,533.18/228,419.97 = 92,919.43/x
  3. Step 3: Cross multiply
    165,533.18x = 228,419.97 × 92,919.43
  4. Step 4: Simplify right side
    165,533.18x = 21,224,653,413.02
  5. Step 5: Solve for x
    x = 21,224,653,413.02/165,533.18
  6. Step 6: Final answer
    x = 128,219.94

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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.