Home / 172,200.22-258,319.68-45,845.40

Finding the Fourth Proportional to 172,200.22, 258,319.68 and 45,845.40

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Solution

The fourth proportional to 172,200.22, 258,319.68 and 45,845.40 is: 68,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,200.22 : 258,319.68 = 45,845.40 : x
  2. Step 2: Convert to fraction form
    172,200.22/258,319.68 = 45,845.40/x
  3. Step 3: Cross multiply
    172,200.22x = 258,319.68 × 45,845.40
  4. Step 4: Simplify right side
    172,200.22x = 11,842,769,057.47
  5. Step 5: Solve for x
    x = 11,842,769,057.47/172,200.22
  6. Step 6: Final answer
    x = 68,773.25

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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.