Home / 106,143.53-146,461.38-60,812.78

Finding the Fourth Proportional to 106,143.53, 146,461.38 and 60,812.78

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Solution

The fourth proportional to 106,143.53, 146,461.38 and 60,812.78 is: 83,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,143.53 : 146,461.38 = 60,812.78 : x
  2. Step 2: Convert to fraction form
    106,143.53/146,461.38 = 60,812.78/x
  3. Step 3: Cross multiply
    106,143.53x = 146,461.38 × 60,812.78
  4. Step 4: Simplify right side
    106,143.53x = 8,906,723,376.37
  5. Step 5: Solve for x
    x = 8,906,723,376.37/106,143.53
  6. Step 6: Final answer
    x = 83,912.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.