Home / 165,098.40-247,564.44-80,864.88

Finding the Fourth Proportional to 165,098.40, 247,564.44 and 80,864.88

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Solution

The fourth proportional to 165,098.40, 247,564.44 and 80,864.88 is: 121,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,098.40 : 247,564.44 = 80,864.88 : x
  2. Step 2: Convert to fraction form
    165,098.40/247,564.44 = 80,864.88/x
  3. Step 3: Cross multiply
    165,098.40x = 247,564.44 × 80,864.88
  4. Step 4: Simplify right side
    165,098.40x = 20,019,268,732.87
  5. Step 5: Solve for x
    x = 20,019,268,732.87/165,098.40
  6. Step 6: Final answer
    x = 121,256.59

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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.