Home / 164,621.76-227,177.28-89,170.44

Finding the Fourth Proportional to 164,621.76, 227,177.28 and 89,170.44

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Solution

The fourth proportional to 164,621.76, 227,177.28 and 89,170.44 is: 123,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,621.76 : 227,177.28 = 89,170.44 : x
  2. Step 2: Convert to fraction form
    164,621.76/227,177.28 = 89,170.44/x
  3. Step 3: Cross multiply
    164,621.76x = 227,177.28 × 89,170.44
  4. Step 4: Simplify right side
    164,621.76x = 20,257,498,015.60
  5. Step 5: Solve for x
    x = 20,257,498,015.60/164,621.76
  6. Step 6: Final answer
    x = 123,054.80

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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.