Home / 168,750.10-252,999.87-102,174.40

Finding the Fourth Proportional to 168,750.10, 252,999.87 and 102,174.40

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Solution

The fourth proportional to 168,750.10, 252,999.87 and 102,174.40 is: 153,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,750.10 : 252,999.87 = 102,174.40 : x
  2. Step 2: Convert to fraction form
    168,750.10/252,999.87 = 102,174.40/x
  3. Step 3: Cross multiply
    168,750.10x = 252,999.87 × 102,174.40
  4. Step 4: Simplify right side
    168,750.10x = 25,850,109,917.33
  5. Step 5: Solve for x
    x = 25,850,109,917.33/168,750.10
  6. Step 6: Final answer
    x = 153,185.75

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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.