Home / 98,760.78-148,156.62-32,185.44

Finding the Fourth Proportional to 98,760.78, 148,156.62 and 32,185.44

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Solution

The fourth proportional to 98,760.78, 148,156.62 and 32,185.44 is: 48,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,760.78 : 148,156.62 = 32,185.44 : x
  2. Step 2: Convert to fraction form
    98,760.78/148,156.62 = 32,185.44/x
  3. Step 3: Cross multiply
    98,760.78x = 148,156.62 × 32,185.44
  4. Step 4: Simplify right side
    98,760.78x = 4,768,486,003.61
  5. Step 5: Solve for x
    x = 4,768,486,003.61/98,760.78
  6. Step 6: Final answer
    x = 48,283.20

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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.