Home / 206,108.96-309,090.53-98,025.60

Finding the Fourth Proportional to 206,108.96, 309,090.53 and 98,025.60

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Solution

The fourth proportional to 206,108.96, 309,090.53 and 98,025.60 is: 147,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,108.96 : 309,090.53 = 98,025.60 : x
  2. Step 2: Convert to fraction form
    206,108.96/309,090.53 = 98,025.60/x
  3. Step 3: Cross multiply
    206,108.96x = 309,090.53 × 98,025.60
  4. Step 4: Simplify right side
    206,108.96x = 30,298,783,112.12
  5. Step 5: Solve for x
    x = 30,298,783,112.12/206,108.96
  6. Step 6: Final answer
    x = 147,003.72

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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.