Home / 253,310.26-349,578.45-140,131.06

Finding the Fourth Proportional to 253,310.26, 349,578.45 and 140,131.06

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Solution

The fourth proportional to 253,310.26, 349,578.45 and 140,131.06 is: 193,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,310.26 : 349,578.45 = 140,131.06 : x
  2. Step 2: Convert to fraction form
    253,310.26/349,578.45 = 140,131.06/x
  3. Step 3: Cross multiply
    253,310.26x = 349,578.45 × 140,131.06
  4. Step 4: Simplify right side
    253,310.26x = 48,986,798,751.66
  5. Step 5: Solve for x
    x = 48,986,798,751.66/253,310.26
  6. Step 6: Final answer
    x = 193,386.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.