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Finding the Fourth Proportional to 168,014.80, 251,827.80 and 68,125.60

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Solution

The fourth proportional to 168,014.80, 251,827.80 and 68,125.60 is: 102,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,014.80 : 251,827.80 = 68,125.60 : x
  2. Step 2: Convert to fraction form
    168,014.80/251,827.80 = 68,125.60/x
  3. Step 3: Cross multiply
    168,014.80x = 251,827.80 × 68,125.60
  4. Step 4: Simplify right side
    168,014.80x = 17,155,919,971.68
  5. Step 5: Solve for x
    x = 17,155,919,971.68/168,014.80
  6. Step 6: Final answer
    x = 102,109.58

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1.5x scale

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.