Home / 165,002.00-247,419.36-80,636.04

Finding the Fourth Proportional to 165,002.00, 247,419.36 and 80,636.04

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Solution

The fourth proportional to 165,002.00, 247,419.36 and 80,636.04 is: 120,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,002.00 : 247,419.36 = 80,636.04 : x
  2. Step 2: Convert to fraction form
    165,002.00/247,419.36 = 80,636.04/x
  3. Step 3: Cross multiply
    165,002.00x = 247,419.36 × 80,636.04
  4. Step 4: Simplify right side
    165,002.00x = 19,950,917,409.73
  5. Step 5: Solve for x
    x = 19,950,917,409.73/165,002.00
  6. Step 6: Final answer
    x = 120,913.19

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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.