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Finding the Fourth Proportional to 168,469.40, 252,619.58 and 56,110.11

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Solution

The fourth proportional to 168,469.40, 252,619.58 and 56,110.11 is: 84,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,469.40 : 252,619.58 = 56,110.11 : x
  2. Step 2: Convert to fraction form
    168,469.40/252,619.58 = 56,110.11/x
  3. Step 3: Cross multiply
    168,469.40x = 252,619.58 × 56,110.11
  4. Step 4: Simplify right side
    168,469.40x = 14,174,512,141.40
  5. Step 5: Solve for x
    x = 14,174,512,141.40/168,469.40
  6. Step 6: Final answer
    x = 84,137.02

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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.