Home / 172,066.86-257,684.99-103,481.19

Finding the Fourth Proportional to 172,066.86, 257,684.99 and 103,481.19

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Solution

The fourth proportional to 172,066.86, 257,684.99 and 103,481.19 is: 154,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,066.86 : 257,684.99 = 103,481.19 : x
  2. Step 2: Convert to fraction form
    172,066.86/257,684.99 = 103,481.19/x
  3. Step 3: Cross multiply
    172,066.86x = 257,684.99 × 103,481.19
  4. Step 4: Simplify right side
    172,066.86x = 26,665,548,892.93
  5. Step 5: Solve for x
    x = 26,665,548,892.93/172,066.86
  6. Step 6: Final answer
    x = 154,972.02

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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.