Home / 164,660.28-227,231.08-89,208.78

Finding the Fourth Proportional to 164,660.28, 227,231.08 and 89,208.78

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Solution

The fourth proportional to 164,660.28, 227,231.08 and 89,208.78 is: 123,108.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,660.28 : 227,231.08 = 89,208.78 : x
  2. Step 2: Convert to fraction form
    164,660.28/227,231.08 = 89,208.78/x
  3. Step 3: Cross multiply
    164,660.28x = 227,231.08 × 89,208.78
  4. Step 4: Simplify right side
    164,660.28x = 20,271,007,424.88
  5. Step 5: Solve for x
    x = 20,271,007,424.88/164,660.28
  6. Step 6: Final answer
    x = 123,108.06

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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.