Home / 141,971.01-212,997.57-45,906.18

Finding the Fourth Proportional to 141,971.01, 212,997.57 and 45,906.18

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Solution

The fourth proportional to 141,971.01, 212,997.57 and 45,906.18 is: 68,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,971.01 : 212,997.57 = 45,906.18 : x
  2. Step 2: Convert to fraction form
    141,971.01/212,997.57 = 45,906.18/x
  3. Step 3: Cross multiply
    141,971.01x = 212,997.57 × 45,906.18
  4. Step 4: Simplify right side
    141,971.01x = 9,777,904,787.98
  5. Step 5: Solve for x
    x = 9,777,904,787.98/141,971.01
  6. Step 6: Final answer
    x = 68,872.55

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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.