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Finding the Fourth Proportional to 168,188.94, 252,328.77 and 55,887.30

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Solution

The fourth proportional to 168,188.94, 252,328.77 and 55,887.30 is: 83,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,188.94 : 252,328.77 = 55,887.30 : x
  2. Step 2: Convert to fraction form
    168,188.94/252,328.77 = 55,887.30/x
  3. Step 3: Cross multiply
    168,188.94x = 252,328.77 × 55,887.30
  4. Step 4: Simplify right side
    168,188.94x = 14,101,973,667.62
  5. Step 5: Solve for x
    x = 14,101,973,667.62/168,188.94
  6. Step 6: Final answer
    x = 83,846.02

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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.