Home / 222,261.12-306,717.98-120,284.35

Finding the Fourth Proportional to 222,261.12, 306,717.98 and 120,284.35

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Solution

The fourth proportional to 222,261.12, 306,717.98 and 120,284.35 is: 165,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,261.12 : 306,717.98 = 120,284.35 : x
  2. Step 2: Convert to fraction form
    222,261.12/306,717.98 = 120,284.35/x
  3. Step 3: Cross multiply
    222,261.12x = 306,717.98 × 120,284.35
  4. Step 4: Simplify right side
    222,261.12x = 36,893,371,489.40
  5. Step 5: Solve for x
    x = 36,893,371,489.40/222,261.12
  6. Step 6: Final answer
    x = 165,991.12

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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.