Home / 161,744.28-242,583-43,387.56

Finding the Fourth Proportional to 161,744.28, 242,583 and 43,387.56

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Solution

The fourth proportional to 161,744.28, 242,583 and 43,387.56 is: 65,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,744.28 : 242,583 = 43,387.56 : x
  2. Step 2: Convert to fraction form
    161,744.28/242,583 = 43,387.56/x
  3. Step 3: Cross multiply
    161,744.28x = 242,583 × 43,387.56
  4. Step 4: Simplify right side
    161,744.28x = 10,525,084,467.48
  5. Step 5: Solve for x
    x = 10,525,084,467.48/161,744.28
  6. Step 6: Final answer
    x = 65,072.38

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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.