Home / 251,853.40-347,563.92-137,138.33

Finding the Fourth Proportional to 251,853.40, 347,563.92 and 137,138.33

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Solution

The fourth proportional to 251,853.40, 347,563.92 and 137,138.33 is: 189,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,853.40 : 347,563.92 = 137,138.33 : x
  2. Step 2: Convert to fraction form
    251,853.40/347,563.92 = 137,138.33/x
  3. Step 3: Cross multiply
    251,853.40x = 347,563.92 × 137,138.33
  4. Step 4: Simplify right side
    251,853.40x = 47,664,333,304.97
  5. Step 5: Solve for x
    x = 47,664,333,304.97/251,853.40
  6. Step 6: Final answer
    x = 189,254.28

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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.