Home / 143,224.35-214,734.33-67,280.51

Finding the Fourth Proportional to 143,224.35, 214,734.33 and 67,280.51

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Solution

The fourth proportional to 143,224.35, 214,734.33 and 67,280.51 is: 100,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,224.35 : 214,734.33 = 67,280.51 : x
  2. Step 2: Convert to fraction form
    143,224.35/214,734.33 = 67,280.51/x
  3. Step 3: Cross multiply
    143,224.35x = 214,734.33 × 67,280.51
  4. Step 4: Simplify right side
    143,224.35x = 14,447,434,163.24
  5. Step 5: Solve for x
    x = 14,447,434,163.24/143,224.35
  6. Step 6: Final answer
    x = 100,872.75

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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.