Home / 198,845.17-298,314.47-65,725.43

Finding the Fourth Proportional to 198,845.17, 298,314.47 and 65,725.43

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Solution

The fourth proportional to 198,845.17, 298,314.47 and 65,725.43 is: 98,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,845.17 : 298,314.47 = 65,725.43 : x
  2. Step 2: Convert to fraction form
    198,845.17/298,314.47 = 65,725.43/x
  3. Step 3: Cross multiply
    198,845.17x = 298,314.47 × 65,725.43
  4. Step 4: Simplify right side
    198,845.17x = 19,606,847,820.89
  5. Step 5: Solve for x
    x = 19,606,847,820.89/198,845.17
  6. Step 6: Final answer
    x = 98,603.59

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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.