Home / 165,509.52-228,400.92-90,057.84

Finding the Fourth Proportional to 165,509.52, 228,400.92 and 90,057.84

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Solution

The fourth proportional to 165,509.52, 228,400.92 and 90,057.84 is: 124,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,509.52 : 228,400.92 = 90,057.84 : x
  2. Step 2: Convert to fraction form
    165,509.52/228,400.92 = 90,057.84/x
  3. Step 3: Cross multiply
    165,509.52x = 228,400.92 × 90,057.84
  4. Step 4: Simplify right side
    165,509.52x = 20,569,293,509.21
  5. Step 5: Solve for x
    x = 20,569,293,509.21/165,509.52
  6. Step 6: Final answer
    x = 124,278.61

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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.