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Finding the Fourth Proportional to 168,754.20, 253,196.10 and 166,097.40

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Solution

The fourth proportional to 168,754.20, 253,196.10 and 166,097.40 is: 249,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,754.20 : 253,196.10 = 166,097.40 : x
  2. Step 2: Convert to fraction form
    168,754.20/253,196.10 = 166,097.40/x
  3. Step 3: Cross multiply
    168,754.20x = 253,196.10 × 166,097.40
  4. Step 4: Simplify right side
    168,754.20x = 42,055,213,900.14
  5. Step 5: Solve for x
    x = 42,055,213,900.14/168,754.20
  6. Step 6: Final answer
    x = 249,209.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.