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Finding the Fourth Proportional to 172,997.40, 259,496.10 and 94,265.40

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Solution

The fourth proportional to 172,997.40, 259,496.10 and 94,265.40 is: 141,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,997.40 : 259,496.10 = 94,265.40 : x
  2. Step 2: Convert to fraction form
    172,997.40/259,496.10 = 94,265.40/x
  3. Step 3: Cross multiply
    172,997.40x = 259,496.10 × 94,265.40
  4. Step 4: Simplify right side
    172,997.40x = 24,461,503,664.94
  5. Step 5: Solve for x
    x = 24,461,503,664.94/172,997.40
  6. Step 6: Final answer
    x = 141,398.10

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1.5x scale

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.