Home / 248,558.70-343,010.82-135,381.45

Finding the Fourth Proportional to 248,558.70, 343,010.82 and 135,381.45

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Solution

The fourth proportional to 248,558.70, 343,010.82 and 135,381.45 is: 186,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,558.70 : 343,010.82 = 135,381.45 : x
  2. Step 2: Convert to fraction form
    248,558.70/343,010.82 = 135,381.45/x
  3. Step 3: Cross multiply
    248,558.70x = 343,010.82 × 135,381.45
  4. Step 4: Simplify right side
    248,558.70x = 46,437,302,177.29
  5. Step 5: Solve for x
    x = 46,437,302,177.29/248,558.70
  6. Step 6: Final answer
    x = 186,826.30

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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.