Home / 143,277.73-197,735.72-79,619.63

Finding the Fourth Proportional to 143,277.73, 197,735.72 and 79,619.63

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Solution

The fourth proportional to 143,277.73, 197,735.72 and 79,619.63 is: 109,882.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,277.73 : 197,735.72 = 79,619.63 : x
  2. Step 2: Convert to fraction form
    143,277.73/197,735.72 = 79,619.63/x
  3. Step 3: Cross multiply
    143,277.73x = 197,735.72 × 79,619.63
  4. Step 4: Simplify right side
    143,277.73x = 15,743,643,477.41
  5. Step 5: Solve for x
    x = 15,743,643,477.41/143,277.73
  6. Step 6: Final answer
    x = 109,882.00

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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.