Home / 146,670.78-202,388.96-82,131.05

Finding the Fourth Proportional to 146,670.78, 202,388.96 and 82,131.05

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Solution

The fourth proportional to 146,670.78, 202,388.96 and 82,131.05 is: 113,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,670.78 : 202,388.96 = 82,131.05 : x
  2. Step 2: Convert to fraction form
    146,670.78/202,388.96 = 82,131.05/x
  3. Step 3: Cross multiply
    146,670.78x = 202,388.96 × 82,131.05
  4. Step 4: Simplify right side
    146,670.78x = 16,622,416,370.61
  5. Step 5: Solve for x
    x = 16,622,416,370.61/146,670.78
  6. Step 6: Final answer
    x = 113,331.48

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1.5x scale

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.