Home / 165,582.08-228,504.32-90,130.56

Finding the Fourth Proportional to 165,582.08, 228,504.32 and 90,130.56

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Solution

The fourth proportional to 165,582.08, 228,504.32 and 90,130.56 is: 124,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,582.08 : 228,504.32 = 90,130.56 : x
  2. Step 2: Convert to fraction form
    165,582.08/228,504.32 = 90,130.56/x
  3. Step 3: Cross multiply
    165,582.08x = 228,504.32 × 90,130.56
  4. Step 4: Simplify right side
    165,582.08x = 20,595,222,324.02
  5. Step 5: Solve for x
    x = 20,595,222,324.02/165,582.08
  6. Step 6: Final answer
    x = 124,380.74

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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.