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Finding the Fourth Proportional to 167,588.10, 251,426.70 and 72,777.60

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Solution

The fourth proportional to 167,588.10, 251,426.70 and 72,777.60 is: 109,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,588.10 : 251,426.70 = 72,777.60 : x
  2. Step 2: Convert to fraction form
    167,588.10/251,426.70 = 72,777.60/x
  3. Step 3: Cross multiply
    167,588.10x = 251,426.70 × 72,777.60
  4. Step 4: Simplify right side
    167,588.10x = 18,298,231,801.92
  5. Step 5: Solve for x
    x = 18,298,231,801.92/167,588.10
  6. Step 6: Final answer
    x = 109,185.75

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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.