Home / 222,259.73-306,717.84-120,285.38

Finding the Fourth Proportional to 222,259.73, 306,717.84 and 120,285.38

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Solution

The fourth proportional to 222,259.73, 306,717.84 and 120,285.38 is: 165,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,259.73 : 306,717.84 = 120,285.38 : x
  2. Step 2: Convert to fraction form
    222,259.73/306,717.84 = 120,285.38/x
  3. Step 3: Cross multiply
    222,259.73x = 306,717.84 × 120,285.38
  4. Step 4: Simplify right side
    222,259.73x = 36,893,672,703.97
  5. Step 5: Solve for x
    x = 36,893,672,703.97/222,259.73
  6. Step 6: Final answer
    x = 165,993.51

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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.