Home / 165,415.72-228,273.06-89,965.48

Finding the Fourth Proportional to 165,415.72, 228,273.06 and 89,965.48

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Solution

The fourth proportional to 165,415.72, 228,273.06 and 89,965.48 is: 124,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,415.72 : 228,273.06 = 89,965.48 : x
  2. Step 2: Convert to fraction form
    165,415.72/228,273.06 = 89,965.48/x
  3. Step 3: Cross multiply
    165,415.72x = 228,273.06 × 89,965.48
  4. Step 4: Simplify right side
    165,415.72x = 20,536,695,413.97
  5. Step 5: Solve for x
    x = 20,536,695,413.97/165,415.72
  6. Step 6: Final answer
    x = 124,152.02

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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.