Home / 165,718.08-228,696.48-90,273.60

Finding the Fourth Proportional to 165,718.08, 228,696.48 and 90,273.60

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Solution

The fourth proportional to 165,718.08, 228,696.48 and 90,273.60 is: 124,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,718.08 : 228,696.48 = 90,273.60 : x
  2. Step 2: Convert to fraction form
    165,718.08/228,696.48 = 90,273.60/x
  3. Step 3: Cross multiply
    165,718.08x = 228,696.48 × 90,273.60
  4. Step 4: Simplify right side
    165,718.08x = 20,645,254,556.93
  5. Step 5: Solve for x
    x = 20,645,254,556.93/165,718.08
  6. Step 6: Final answer
    x = 124,580.58

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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.