Home / 251,815.26-347,494.29-137,091.45

Finding the Fourth Proportional to 251,815.26, 347,494.29 and 137,091.45

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Solution

The fourth proportional to 251,815.26, 347,494.29 and 137,091.45 is: 189,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,815.26 : 347,494.29 = 137,091.45 : x
  2. Step 2: Convert to fraction form
    251,815.26/347,494.29 = 137,091.45/x
  3. Step 3: Cross multiply
    251,815.26x = 347,494.29 × 137,091.45
  4. Step 4: Simplify right side
    251,815.26x = 47,638,496,871.83
  5. Step 5: Solve for x
    x = 47,638,496,871.83/251,815.26
  6. Step 6: Final answer
    x = 189,180.34

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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.