Home / 165,270.80-247,906.20-163,715.60

Finding the Fourth Proportional to 165,270.80, 247,906.20 and 163,715.60

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Solution

The fourth proportional to 165,270.80, 247,906.20 and 163,715.60 is: 245,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,270.80 : 247,906.20 = 163,715.60 : x
  2. Step 2: Convert to fraction form
    165,270.80/247,906.20 = 163,715.60/x
  3. Step 3: Cross multiply
    165,270.80x = 247,906.20 × 163,715.60
  4. Step 4: Simplify right side
    165,270.80x = 40,586,112,276.72
  5. Step 5: Solve for x
    x = 40,586,112,276.72/165,270.80
  6. Step 6: Final answer
    x = 245,573.40

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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.