Home / 157,072.43-235,744.68-82,244.90

Finding the Fourth Proportional to 157,072.43, 235,744.68 and 82,244.90

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Solution

The fourth proportional to 157,072.43, 235,744.68 and 82,244.90 is: 123,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,072.43 : 235,744.68 = 82,244.90 : x
  2. Step 2: Convert to fraction form
    157,072.43/235,744.68 = 82,244.90/x
  3. Step 3: Cross multiply
    157,072.43x = 235,744.68 × 82,244.90
  4. Step 4: Simplify right side
    157,072.43x = 19,388,796,453.41
  5. Step 5: Solve for x
    x = 19,388,796,453.41/157,072.43
  6. Step 6: Final answer
    x = 123,438.58

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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.