Home / 142,997.16-214,356.22-68,097.14

Finding the Fourth Proportional to 142,997.16, 214,356.22 and 68,097.14

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Solution

The fourth proportional to 142,997.16, 214,356.22 and 68,097.14 is: 102,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,997.16 : 214,356.22 = 68,097.14 : x
  2. Step 2: Convert to fraction form
    142,997.16/214,356.22 = 68,097.14/x
  3. Step 3: Cross multiply
    142,997.16x = 214,356.22 × 68,097.14
  4. Step 4: Simplify right side
    142,997.16x = 14,597,044,110.94
  5. Step 5: Solve for x
    x = 14,597,044,110.94/142,997.16
  6. Step 6: Final answer
    x = 102,079.26

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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.