Home / 222,461.94-306,995.89-120,485.05

Finding the Fourth Proportional to 222,461.94, 306,995.89 and 120,485.05

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Solution

The fourth proportional to 222,461.94, 306,995.89 and 120,485.05 is: 166,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,461.94 : 306,995.89 = 120,485.05 : x
  2. Step 2: Convert to fraction form
    222,461.94/306,995.89 = 120,485.05/x
  3. Step 3: Cross multiply
    222,461.94x = 306,995.89 × 120,485.05
  4. Step 4: Simplify right side
    222,461.94x = 36,988,415,156.44
  5. Step 5: Solve for x
    x = 36,988,415,156.44/222,461.94
  6. Step 6: Final answer
    x = 166,268.51

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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.