Home / 248,731.24-343,240.42-135,551.72

Finding the Fourth Proportional to 248,731.24, 343,240.42 and 135,551.72

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Solution

The fourth proportional to 248,731.24, 343,240.42 and 135,551.72 is: 187,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,731.24 : 343,240.42 = 135,551.72 : x
  2. Step 2: Convert to fraction form
    248,731.24/343,240.42 = 135,551.72/x
  3. Step 3: Cross multiply
    248,731.24x = 343,240.42 × 135,551.72
  4. Step 4: Simplify right side
    248,731.24x = 46,526,829,304.52
  5. Step 5: Solve for x
    x = 46,526,829,304.52/248,731.24
  6. Step 6: Final answer
    x = 187,056.64

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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.