Home / 165,018.25-227,730.05-89,571.61

Finding the Fourth Proportional to 165,018.25, 227,730.05 and 89,571.61

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Solution

The fourth proportional to 165,018.25, 227,730.05 and 89,571.61 is: 123,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,018.25 : 227,730.05 = 89,571.61 : x
  2. Step 2: Convert to fraction form
    165,018.25/227,730.05 = 89,571.61/x
  3. Step 3: Cross multiply
    165,018.25x = 227,730.05 × 89,571.61
  4. Step 4: Simplify right side
    165,018.25x = 20,398,147,223.88
  5. Step 5: Solve for x
    x = 20,398,147,223.88/165,018.25
  6. Step 6: Final answer
    x = 123,611.46

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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.