Home / 222,148.36-306,557.22-121,544.20

Finding the Fourth Proportional to 222,148.36, 306,557.22 and 121,544.20

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Solution

The fourth proportional to 222,148.36, 306,557.22 and 121,544.20 is: 167,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,148.36 : 306,557.22 = 121,544.20 : x
  2. Step 2: Convert to fraction form
    222,148.36/306,557.22 = 121,544.20/x
  3. Step 3: Cross multiply
    222,148.36x = 306,557.22 × 121,544.20
  4. Step 4: Simplify right side
    222,148.36x = 37,260,252,059.12
  5. Step 5: Solve for x
    x = 37,260,252,059.12/222,148.36
  6. Step 6: Final answer
    x = 167,726.88

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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.