Home / 143,158.39-214,410.44-68,331.06

Finding the Fourth Proportional to 143,158.39, 214,410.44 and 68,331.06

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Solution

The fourth proportional to 143,158.39, 214,410.44 and 68,331.06 is: 102,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,158.39 : 214,410.44 = 68,331.06 : x
  2. Step 2: Convert to fraction form
    143,158.39/214,410.44 = 68,331.06/x
  3. Step 3: Cross multiply
    143,158.39x = 214,410.44 × 68,331.06
  4. Step 4: Simplify right side
    143,158.39x = 14,650,892,298.61
  5. Step 5: Solve for x
    x = 14,650,892,298.61/143,158.39
  6. Step 6: Final answer
    x = 102,340.44

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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.