Home / 165,563.52-228,477.62-90,112.56

Finding the Fourth Proportional to 165,563.52, 228,477.62 and 90,112.56

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Solution

The fourth proportional to 165,563.52, 228,477.62 and 90,112.56 is: 124,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,563.52 : 228,477.62 = 90,112.56 : x
  2. Step 2: Convert to fraction form
    165,563.52/228,477.62 = 90,112.56/x
  3. Step 3: Cross multiply
    165,563.52x = 228,477.62 × 90,112.56
  4. Step 4: Simplify right side
    165,563.52x = 20,588,703,240.91
  5. Step 5: Solve for x
    x = 20,588,703,240.91/165,563.52
  6. Step 6: Final answer
    x = 124,355.31

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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.