Home / 250,020.72-345,027.96-136,842.48

Finding the Fourth Proportional to 250,020.72, 345,027.96 and 136,842.48

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Solution

The fourth proportional to 250,020.72, 345,027.96 and 136,842.48 is: 188,842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,020.72 : 345,027.96 = 136,842.48 : x
  2. Step 2: Convert to fraction form
    250,020.72/345,027.96 = 136,842.48/x
  3. Step 3: Cross multiply
    250,020.72x = 345,027.96 × 136,842.48
  4. Step 4: Simplify right side
    250,020.72x = 47,214,481,715.74
  5. Step 5: Solve for x
    x = 47,214,481,715.74/250,020.72
  6. Step 6: Final answer
    x = 188,842.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.