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Finding the Fourth Proportional to 165,119.96, 247,510.38 and 65,239.40

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Solution

The fourth proportional to 165,119.96, 247,510.38 and 65,239.40 is: 97,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,119.96 : 247,510.38 = 65,239.40 : x
  2. Step 2: Convert to fraction form
    165,119.96/247,510.38 = 65,239.40/x
  3. Step 3: Cross multiply
    165,119.96x = 247,510.38 × 65,239.40
  4. Step 4: Simplify right side
    165,119.96x = 16,147,428,684.97
  5. Step 5: Solve for x
    x = 16,147,428,684.97/165,119.96
  6. Step 6: Final answer
    x = 97,792.11

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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.