Home / 248,789.80-343,329.06-135,612.55

Finding the Fourth Proportional to 248,789.80, 343,329.06 and 135,612.55

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Solution

The fourth proportional to 248,789.80, 343,329.06 and 135,612.55 is: 187,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,789.80 : 343,329.06 = 135,612.55 : x
  2. Step 2: Convert to fraction form
    248,789.80/343,329.06 = 135,612.55/x
  3. Step 3: Cross multiply
    248,789.80x = 343,329.06 × 135,612.55
  4. Step 4: Simplify right side
    248,789.80x = 46,559,729,315.70
  5. Step 5: Solve for x
    x = 46,559,729,315.70/248,789.80
  6. Step 6: Final answer
    x = 187,144.85

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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.