Home / 144,028.96-198,728.08-83,564.56

Finding the Fourth Proportional to 144,028.96, 198,728.08 and 83,564.56

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Solution

The fourth proportional to 144,028.96, 198,728.08 and 83,564.56 is: 115,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,028.96 : 198,728.08 = 83,564.56 : x
  2. Step 2: Convert to fraction form
    144,028.96/198,728.08 = 83,564.56/x
  3. Step 3: Cross multiply
    144,028.96x = 198,728.08 × 83,564.56
  4. Step 4: Simplify right side
    144,028.96x = 16,606,624,564.84
  5. Step 5: Solve for x
    x = 16,606,624,564.84/144,028.96
  6. Step 6: Final answer
    x = 115,300.59

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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.