Home / 159,171.28-238,824.44-74,929.60

Finding the Fourth Proportional to 159,171.28, 238,824.44 and 74,929.60

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Solution

The fourth proportional to 159,171.28, 238,824.44 and 74,929.60 is: 112,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,171.28 : 238,824.44 = 74,929.60 : x
  2. Step 2: Convert to fraction form
    159,171.28/238,824.44 = 74,929.60/x
  3. Step 3: Cross multiply
    159,171.28x = 238,824.44 × 74,929.60
  4. Step 4: Simplify right side
    159,171.28x = 17,895,019,759.42
  5. Step 5: Solve for x
    x = 17,895,019,759.42/159,171.28
  6. Step 6: Final answer
    x = 112,426.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.