Home / 143,629.48-198,293.56-127,667.79

Finding the Fourth Proportional to 143,629.48, 198,293.56 and 127,667.79

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Solution

The fourth proportional to 143,629.48, 198,293.56 and 127,667.79 is: 176,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,629.48 : 198,293.56 = 127,667.79 : x
  2. Step 2: Convert to fraction form
    143,629.48/198,293.56 = 127,667.79/x
  3. Step 3: Cross multiply
    143,629.48x = 198,293.56 × 127,667.79
  4. Step 4: Simplify right side
    143,629.48x = 25,315,700,257.26
  5. Step 5: Solve for x
    x = 25,315,700,257.26/143,629.48
  6. Step 6: Final answer
    x = 176,256.99

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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.