Home / 222,317.25-306,797.98-120,342.40

Finding the Fourth Proportional to 222,317.25, 306,797.98 and 120,342.40

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Solution

The fourth proportional to 222,317.25, 306,797.98 and 120,342.40 is: 166,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,317.25 : 306,797.98 = 120,342.40 : x
  2. Step 2: Convert to fraction form
    222,317.25/306,797.98 = 120,342.40/x
  3. Step 3: Cross multiply
    222,317.25x = 306,797.98 × 120,342.40
  4. Step 4: Simplify right side
    222,317.25x = 36,920,805,228.35
  5. Step 5: Solve for x
    x = 36,920,805,228.35/222,317.25
  6. Step 6: Final answer
    x = 166,072.61

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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.