Home / 165,110.47-247,663.05-65,271.59

Finding the Fourth Proportional to 165,110.47, 247,663.05 and 65,271.59

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Solution

The fourth proportional to 165,110.47, 247,663.05 and 65,271.59 is: 97,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,110.47 : 247,663.05 = 65,271.59 : x
  2. Step 2: Convert to fraction form
    165,110.47/247,663.05 = 65,271.59/x
  3. Step 3: Cross multiply
    165,110.47x = 247,663.05 × 65,271.59
  4. Step 4: Simplify right side
    165,110.47x = 16,165,361,057.75
  5. Step 5: Solve for x
    x = 16,165,361,057.75/165,110.47
  6. Step 6: Final answer
    x = 97,906.34

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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.