Home / 165,335.40-248,003.10-106,286.40

Finding the Fourth Proportional to 165,335.40, 248,003.10 and 106,286.40

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Solution

The fourth proportional to 165,335.40, 248,003.10 and 106,286.40 is: 159,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,335.40 : 248,003.10 = 106,286.40 : x
  2. Step 2: Convert to fraction form
    165,335.40/248,003.10 = 106,286.40/x
  3. Step 3: Cross multiply
    165,335.40x = 248,003.10 × 106,286.40
  4. Step 4: Simplify right side
    165,335.40x = 26,359,356,687.84
  5. Step 5: Solve for x
    x = 26,359,356,687.84/165,335.40
  6. Step 6: Final answer
    x = 159,429.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.