Home / 248,926.88-343,509.94-135,747.20

Finding the Fourth Proportional to 248,926.88, 343,509.94 and 135,747.20

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Solution

The fourth proportional to 248,926.88, 343,509.94 and 135,747.20 is: 187,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,926.88 : 343,509.94 = 135,747.20 : x
  2. Step 2: Convert to fraction form
    248,926.88/343,509.94 = 135,747.20/x
  3. Step 3: Cross multiply
    248,926.88x = 343,509.94 × 135,747.20
  4. Step 4: Simplify right side
    248,926.88x = 46,630,512,527.17
  5. Step 5: Solve for x
    x = 46,630,512,527.17/248,926.88
  6. Step 6: Final answer
    x = 187,326.14

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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.