Home / 165,884.78-228,919.83-90,433.82

Finding the Fourth Proportional to 165,884.78, 228,919.83 and 90,433.82

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Solution

The fourth proportional to 165,884.78, 228,919.83 and 90,433.82 is: 124,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,884.78 : 228,919.83 = 90,433.82 : x
  2. Step 2: Convert to fraction form
    165,884.78/228,919.83 = 90,433.82/x
  3. Step 3: Cross multiply
    165,884.78x = 228,919.83 × 90,433.82
  4. Step 4: Simplify right side
    165,884.78x = 20,702,094,700.65
  5. Step 5: Solve for x
    x = 20,702,094,700.65/165,884.78
  6. Step 6: Final answer
    x = 124,798.04

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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.