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Finding the Fourth Proportional to 146,799.60, 220,102.20 and 53,293.20

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Solution

The fourth proportional to 146,799.60, 220,102.20 and 53,293.20 is: 79,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,799.60 : 220,102.20 = 53,293.20 : x
  2. Step 2: Convert to fraction form
    146,799.60/220,102.20 = 53,293.20/x
  3. Step 3: Cross multiply
    146,799.60x = 220,102.20 × 53,293.20
  4. Step 4: Simplify right side
    146,799.60x = 11,729,950,565.04
  5. Step 5: Solve for x
    x = 11,729,950,565.04/146,799.60
  6. Step 6: Final answer
    x = 79,904.51

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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.