Home / 222,011.41-306,375.12-120,036.15

Finding the Fourth Proportional to 222,011.41, 306,375.12 and 120,036.15

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Solution

The fourth proportional to 222,011.41, 306,375.12 and 120,036.15 is: 165,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,011.41 : 306,375.12 = 120,036.15 : x
  2. Step 2: Convert to fraction form
    222,011.41/306,375.12 = 120,036.15/x
  3. Step 3: Cross multiply
    222,011.41x = 306,375.12 × 120,036.15
  4. Step 4: Simplify right side
    222,011.41x = 36,776,090,891.07
  5. Step 5: Solve for x
    x = 36,776,090,891.07/222,011.41
  6. Step 6: Final answer
    x = 165,649.56

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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.