Home / 222,140.28-306,561.24-121,538.28

Finding the Fourth Proportional to 222,140.28, 306,561.24 and 121,538.28

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Solution

The fourth proportional to 222,140.28, 306,561.24 and 121,538.28 is: 167,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,140.28 : 306,561.24 = 121,538.28 : x
  2. Step 2: Convert to fraction form
    222,140.28/306,561.24 = 121,538.28/x
  3. Step 3: Cross multiply
    222,140.28x = 306,561.24 × 121,538.28
  4. Step 4: Simplify right side
    222,140.28x = 37,258,925,824.27
  5. Step 5: Solve for x
    x = 37,258,925,824.27/222,140.28
  6. Step 6: Final answer
    x = 167,727.01

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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.