Home / 248,789.59-343,329.65-135,612.34

Finding the Fourth Proportional to 248,789.59, 343,329.65 and 135,612.34

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Solution

The fourth proportional to 248,789.59, 343,329.65 and 135,612.34 is: 187,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,789.59 : 343,329.65 = 135,612.34 : x
  2. Step 2: Convert to fraction form
    248,789.59/343,329.65 = 135,612.34/x
  3. Step 3: Cross multiply
    248,789.59x = 343,329.65 × 135,612.34
  4. Step 4: Simplify right side
    248,789.59x = 46,559,737,227.88
  5. Step 5: Solve for x
    x = 46,559,737,227.88/248,789.59
  6. Step 6: Final answer
    x = 187,145.04

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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.