Home / 157,378.37-236,137.25-82,480.60

Finding the Fourth Proportional to 157,378.37, 236,137.25 and 82,480.60

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Solution

The fourth proportional to 157,378.37, 236,137.25 and 82,480.60 is: 123,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,378.37 : 236,137.25 = 82,480.60 : x
  2. Step 2: Convert to fraction form
    157,378.37/236,137.25 = 82,480.60/x
  3. Step 3: Cross multiply
    157,378.37x = 236,137.25 × 82,480.60
  4. Step 4: Simplify right side
    157,378.37x = 19,476,741,678.21
  5. Step 5: Solve for x
    x = 19,476,741,678.21/157,378.37
  6. Step 6: Final answer
    x = 123,757.43

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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.