Home / 164,661.28-227,232.46-89,209.78

Finding the Fourth Proportional to 164,661.28, 227,232.46 and 89,209.78

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Solution

The fourth proportional to 164,661.28, 227,232.46 and 89,209.78 is: 123,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,661.28 : 227,232.46 = 89,209.78 : x
  2. Step 2: Convert to fraction form
    164,661.28/227,232.46 = 89,209.78/x
  3. Step 3: Cross multiply
    164,661.28x = 227,232.46 × 89,209.78
  4. Step 4: Simplify right side
    164,661.28x = 20,271,357,765.46
  5. Step 5: Solve for x
    x = 20,271,357,765.46/164,661.28
  6. Step 6: Final answer
    x = 123,109.44

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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.