Home / 198,792.56-298,284.53-98,961.48

Finding the Fourth Proportional to 198,792.56, 298,284.53 and 98,961.48

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Solution

The fourth proportional to 198,792.56, 298,284.53 and 98,961.48 is: 148,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,792.56 : 298,284.53 = 98,961.48 : x
  2. Step 2: Convert to fraction form
    198,792.56/298,284.53 = 98,961.48/x
  3. Step 3: Cross multiply
    198,792.56x = 298,284.53 × 98,961.48
  4. Step 4: Simplify right side
    198,792.56x = 29,518,678,055.10
  5. Step 5: Solve for x
    x = 29,518,678,055.10/198,792.56
  6. Step 6: Final answer
    x = 148,489.85

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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.