Home / 169,519.23-253,968.75-79,396.47

Finding the Fourth Proportional to 169,519.23, 253,968.75 and 79,396.47

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Solution

The fourth proportional to 169,519.23, 253,968.75 and 79,396.47 is: 118,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,519.23 : 253,968.75 = 79,396.47 : x
  2. Step 2: Convert to fraction form
    169,519.23/253,968.75 = 79,396.47/x
  3. Step 3: Cross multiply
    169,519.23x = 253,968.75 × 79,396.47
  4. Step 4: Simplify right side
    169,519.23x = 20,164,222,240.31
  5. Step 5: Solve for x
    x = 20,164,222,240.31/169,519.23
  6. Step 6: Final answer
    x = 118,949.47

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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.