Home / 143,299.29-214,653.42-83,954.91

Finding the Fourth Proportional to 143,299.29, 214,653.42 and 83,954.91

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Solution

The fourth proportional to 143,299.29, 214,653.42 and 83,954.91 is: 125,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,299.29 : 214,653.42 = 83,954.91 : x
  2. Step 2: Convert to fraction form
    143,299.29/214,653.42 = 83,954.91/x
  3. Step 3: Cross multiply
    143,299.29x = 214,653.42 × 83,954.91
  4. Step 4: Simplify right side
    143,299.29x = 18,021,208,557.29
  5. Step 5: Solve for x
    x = 18,021,208,557.29/143,299.29
  6. Step 6: Final answer
    x = 125,759.23

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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.