Home / 143,226.91-214,738.17-67,283.07

Finding the Fourth Proportional to 143,226.91, 214,738.17 and 67,283.07

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Solution

The fourth proportional to 143,226.91, 214,738.17 and 67,283.07 is: 100,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,226.91 : 214,738.17 = 67,283.07 : x
  2. Step 2: Convert to fraction form
    143,226.91/214,738.17 = 67,283.07/x
  3. Step 3: Cross multiply
    143,226.91x = 214,738.17 × 67,283.07
  4. Step 4: Simplify right side
    143,226.91x = 14,448,243,323.78
  5. Step 5: Solve for x
    x = 14,448,243,323.78/143,226.91
  6. Step 6: Final answer
    x = 100,876.60

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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.