Home / 193,747.20-290,426.40-88,641.60

Finding the Fourth Proportional to 193,747.20, 290,426.40 and 88,641.60

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Solution

The fourth proportional to 193,747.20, 290,426.40 and 88,641.60 is: 132,873.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,747.20 : 290,426.40 = 88,641.60 : x
  2. Step 2: Convert to fraction form
    193,747.20/290,426.40 = 88,641.60/x
  3. Step 3: Cross multiply
    193,747.20x = 290,426.40 × 88,641.60
  4. Step 4: Simplify right side
    193,747.20x = 25,743,860,778.24
  5. Step 5: Solve for x
    x = 25,743,860,778.24/193,747.20
  6. Step 6: Final answer
    x = 132,873.46

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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.