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Finding the Fourth Proportional to 149,159.20, 223,861.20 and 147,992.80

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Solution

The fourth proportional to 149,159.20, 223,861.20 and 147,992.80 is: 222,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,159.20 : 223,861.20 = 147,992.80 : x
  2. Step 2: Convert to fraction form
    149,159.20/223,861.20 = 147,992.80/x
  3. Step 3: Cross multiply
    149,159.20x = 223,861.20 × 147,992.80
  4. Step 4: Simplify right side
    149,159.20x = 33,129,845,799.36
  5. Step 5: Solve for x
    x = 33,129,845,799.36/149,159.20
  6. Step 6: Final answer
    x = 222,110.64

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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.