Home / 165,066.88-227,794.80-89,615.38

Finding the Fourth Proportional to 165,066.88, 227,794.80 and 89,615.38

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Solution

The fourth proportional to 165,066.88, 227,794.80 and 89,615.38 is: 123,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,066.88 : 227,794.80 = 89,615.38 : x
  2. Step 2: Convert to fraction form
    165,066.88/227,794.80 = 89,615.38/x
  3. Step 3: Cross multiply
    165,066.88x = 227,794.80 × 89,615.38
  4. Step 4: Simplify right side
    165,066.88x = 20,413,917,564.02
  5. Step 5: Solve for x
    x = 20,413,917,564.02/165,066.88
  6. Step 6: Final answer
    x = 123,670.58

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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.