Home / 165,884.28-228,919.14-90,433.32

Finding the Fourth Proportional to 165,884.28, 228,919.14 and 90,433.32

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Solution

The fourth proportional to 165,884.28, 228,919.14 and 90,433.32 is: 124,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,884.28 : 228,919.14 = 90,433.32 : x
  2. Step 2: Convert to fraction form
    165,884.28/228,919.14 = 90,433.32/x
  3. Step 3: Cross multiply
    165,884.28x = 228,919.14 × 90,433.32
  4. Step 4: Simplify right side
    165,884.28x = 20,701,917,841.74
  5. Step 5: Solve for x
    x = 20,701,917,841.74/165,884.28
  6. Step 6: Final answer
    x = 124,797.35

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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.