Home / 251,040.22-346,437.76-137,863.78

Finding the Fourth Proportional to 251,040.22, 346,437.76 and 137,863.78

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Solution

The fourth proportional to 251,040.22, 346,437.76 and 137,863.78 is: 190,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,040.22 : 346,437.76 = 137,863.78 : x
  2. Step 2: Convert to fraction form
    251,040.22/346,437.76 = 137,863.78/x
  3. Step 3: Cross multiply
    251,040.22x = 346,437.76 × 137,863.78
  4. Step 4: Simplify right side
    251,040.22x = 47,761,219,128.33
  5. Step 5: Solve for x
    x = 47,761,219,128.33/251,040.22
  6. Step 6: Final answer
    x = 190,253.26

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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.