Home / 222,072.91-306,459.73-120,098.48

Finding the Fourth Proportional to 222,072.91, 306,459.73 and 120,098.48

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Solution

The fourth proportional to 222,072.91, 306,459.73 and 120,098.48 is: 165,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,072.91 : 306,459.73 = 120,098.48 : x
  2. Step 2: Convert to fraction form
    222,072.91/306,459.73 = 120,098.48/x
  3. Step 3: Cross multiply
    222,072.91x = 306,459.73 × 120,098.48
  4. Step 4: Simplify right side
    222,072.91x = 36,805,348,095.87
  5. Step 5: Solve for x
    x = 36,805,348,095.87/222,072.91
  6. Step 6: Final answer
    x = 165,735.43

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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.