Home / 165,883.44-228,918.60-90,431.92

Finding the Fourth Proportional to 165,883.44, 228,918.60 and 90,431.92

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Solution

The fourth proportional to 165,883.44, 228,918.60 and 90,431.92 is: 124,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,883.44 : 228,918.60 = 90,431.92 : x
  2. Step 2: Convert to fraction form
    165,883.44/228,918.60 = 90,431.92/x
  3. Step 3: Cross multiply
    165,883.44x = 228,918.60 × 90,431.92
  4. Step 4: Simplify right side
    165,883.44x = 20,701,548,521.71
  5. Step 5: Solve for x
    x = 20,701,548,521.71/165,883.44
  6. Step 6: Final answer
    x = 124,795.75

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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.