Home / 222,340.12-306,828.99-120,365.54

Finding the Fourth Proportional to 222,340.12, 306,828.99 and 120,365.54

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Solution

The fourth proportional to 222,340.12, 306,828.99 and 120,365.54 is: 166,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,340.12 : 306,828.99 = 120,365.54 : x
  2. Step 2: Convert to fraction form
    222,340.12/306,828.99 = 120,365.54/x
  3. Step 3: Cross multiply
    222,340.12x = 306,828.99 × 120,365.54
  4. Step 4: Simplify right side
    222,340.12x = 36,931,637,234.25
  5. Step 5: Solve for x
    x = 36,931,637,234.25/222,340.12
  6. Step 6: Final answer
    x = 166,104.24

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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.