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Finding the Fourth Proportional to 163,003.30, 244,176.90 and 109,859.20

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Solution

The fourth proportional to 163,003.30, 244,176.90 and 109,859.20 is: 164,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,003.30 : 244,176.90 = 109,859.20 : x
  2. Step 2: Convert to fraction form
    163,003.30/244,176.90 = 109,859.20/x
  3. Step 3: Cross multiply
    163,003.30x = 244,176.90 × 109,859.20
  4. Step 4: Simplify right side
    163,003.30x = 26,825,078,892.48
  5. Step 5: Solve for x
    x = 26,825,078,892.48/163,003.30
  6. Step 6: Final answer
    x = 164,567.70

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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.