Home / 222,113.25-306,518.67-120,140.73

Finding the Fourth Proportional to 222,113.25, 306,518.67 and 120,140.73

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Solution

The fourth proportional to 222,113.25, 306,518.67 and 120,140.73 is: 165,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,113.25 : 306,518.67 = 120,140.73 : x
  2. Step 2: Convert to fraction form
    222,113.25/306,518.67 = 120,140.73/x
  3. Step 3: Cross multiply
    222,113.25x = 306,518.67 × 120,140.73
  4. Step 4: Simplify right side
    222,113.25x = 36,825,376,772.43
  5. Step 5: Solve for x
    x = 36,825,376,772.43/222,113.25
  6. Step 6: Final answer
    x = 165,795.50

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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.