Home / 150,558.40-225,837.60-91,412.20

Finding the Fourth Proportional to 150,558.40, 225,837.60 and 91,412.20

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Solution

The fourth proportional to 150,558.40, 225,837.60 and 91,412.20 is: 137,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,558.40 : 225,837.60 = 91,412.20 : x
  2. Step 2: Convert to fraction form
    150,558.40/225,837.60 = 91,412.20/x
  3. Step 3: Cross multiply
    150,558.40x = 225,837.60 × 91,412.20
  4. Step 4: Simplify right side
    150,558.40x = 20,644,311,858.72
  5. Step 5: Solve for x
    x = 20,644,311,858.72/150,558.40
  6. Step 6: Final answer
    x = 137,118.30

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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.