Home / 143,025.84-214,305.24-72,808.56

Finding the Fourth Proportional to 143,025.84, 214,305.24 and 72,808.56

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Solution

The fourth proportional to 143,025.84, 214,305.24 and 72,808.56 is: 109,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,025.84 : 214,305.24 = 72,808.56 : x
  2. Step 2: Convert to fraction form
    143,025.84/214,305.24 = 72,808.56/x
  3. Step 3: Cross multiply
    143,025.84x = 214,305.24 × 72,808.56
  4. Step 4: Simplify right side
    143,025.84x = 15,603,255,924.85
  5. Step 5: Solve for x
    x = 15,603,255,924.85/143,025.84
  6. Step 6: Final answer
    x = 109,093.96

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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.