Home / 149,979.71-225,052.59-89,860.44

Finding the Fourth Proportional to 149,979.71, 225,052.59 and 89,860.44

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Solution

The fourth proportional to 149,979.71, 225,052.59 and 89,860.44 is: 134,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,979.71 : 225,052.59 = 89,860.44 : x
  2. Step 2: Convert to fraction form
    149,979.71/225,052.59 = 89,860.44/x
  3. Step 3: Cross multiply
    149,979.71x = 225,052.59 × 89,860.44
  4. Step 4: Simplify right side
    149,979.71x = 20,223,324,760.54
  5. Step 5: Solve for x
    x = 20,223,324,760.54/149,979.71
  6. Step 6: Final answer
    x = 134,840.41

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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.