Home / 236,442.40-354,375.60-103,040.80

Finding the Fourth Proportional to 236,442.40, 354,375.60 and 103,040.80

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Solution

The fourth proportional to 236,442.40, 354,375.60 and 103,040.80 is: 154,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,442.40 : 354,375.60 = 103,040.80 : x
  2. Step 2: Convert to fraction form
    236,442.40/354,375.60 = 103,040.80/x
  3. Step 3: Cross multiply
    236,442.40x = 354,375.60 × 103,040.80
  4. Step 4: Simplify right side
    236,442.40x = 36,515,145,324.48
  5. Step 5: Solve for x
    x = 36,515,145,324.48/236,442.40
  6. Step 6: Final answer
    x = 154,435.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.