Home / 248,787.08-343,326.20-135,609.83

Finding the Fourth Proportional to 248,787.08, 343,326.20 and 135,609.83

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Solution

The fourth proportional to 248,787.08, 343,326.20 and 135,609.83 is: 187,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,787.08 : 343,326.20 = 135,609.83 : x
  2. Step 2: Convert to fraction form
    248,787.08/343,326.20 = 135,609.83/x
  3. Step 3: Cross multiply
    248,787.08x = 343,326.20 × 135,609.83
  4. Step 4: Simplify right side
    248,787.08x = 46,558,407,957.75
  5. Step 5: Solve for x
    x = 46,558,407,957.75/248,787.08
  6. Step 6: Final answer
    x = 187,141.58

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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.