Home / 169,839.72-254,740.14-45,190.44

Finding the Fourth Proportional to 169,839.72, 254,740.14 and 45,190.44

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Solution

The fourth proportional to 169,839.72, 254,740.14 and 45,190.44 is: 67,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,839.72 : 254,740.14 = 45,190.44 : x
  2. Step 2: Convert to fraction form
    169,839.72/254,740.14 = 45,190.44/x
  3. Step 3: Cross multiply
    169,839.72x = 254,740.14 × 45,190.44
  4. Step 4: Simplify right side
    169,839.72x = 11,511,819,012.26
  5. Step 5: Solve for x
    x = 11,511,819,012.26/169,839.72
  6. Step 6: Final answer
    x = 67,780.49

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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.