Home / 143,237.50-214,529.24-68,410.37

Finding the Fourth Proportional to 143,237.50, 214,529.24 and 68,410.37

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Solution

The fourth proportional to 143,237.50, 214,529.24 and 68,410.37 is: 102,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,237.50 : 214,529.24 = 68,410.37 : x
  2. Step 2: Convert to fraction form
    143,237.50/214,529.24 = 68,410.37/x
  3. Step 3: Cross multiply
    143,237.50x = 214,529.24 × 68,410.37
  4. Step 4: Simplify right side
    143,237.50x = 14,676,025,391.57
  5. Step 5: Solve for x
    x = 14,676,025,391.57/143,237.50
  6. Step 6: Final answer
    x = 102,459.38

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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.