Home / 222,180.20-306,607.36-120,205.32

Finding the Fourth Proportional to 222,180.20, 306,607.36 and 120,205.32

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Solution

The fourth proportional to 222,180.20, 306,607.36 and 120,205.32 is: 165,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,180.20 : 306,607.36 = 120,205.32 : x
  2. Step 2: Convert to fraction form
    222,180.20/306,607.36 = 120,205.32/x
  3. Step 3: Cross multiply
    222,180.20x = 306,607.36 × 120,205.32
  4. Step 4: Simplify right side
    222,180.20x = 36,855,835,823.16
  5. Step 5: Solve for x
    x = 36,855,835,823.16/222,180.20
  6. Step 6: Final answer
    x = 165,882.63

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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.