Home / 163,687.20-225,812.04-106,322.64

Finding the Fourth Proportional to 163,687.20, 225,812.04 and 106,322.64

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Solution

The fourth proportional to 163,687.20, 225,812.04 and 106,322.64 is: 146,675.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,687.20 : 225,812.04 = 106,322.64 : x
  2. Step 2: Convert to fraction form
    163,687.20/225,812.04 = 106,322.64/x
  3. Step 3: Cross multiply
    163,687.20x = 225,812.04 × 106,322.64
  4. Step 4: Simplify right side
    163,687.20x = 24,008,932,236.59
  5. Step 5: Solve for x
    x = 24,008,932,236.59/163,687.20
  6. Step 6: Final answer
    x = 146,675.69

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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.