Home / 143,717.94-198,332.82-83,292.75

Finding the Fourth Proportional to 143,717.94, 198,332.82 and 83,292.75

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Solution

The fourth proportional to 143,717.94, 198,332.82 and 83,292.75 is: 114,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,717.94 : 198,332.82 = 83,292.75 : x
  2. Step 2: Convert to fraction form
    143,717.94/198,332.82 = 83,292.75/x
  3. Step 3: Cross multiply
    143,717.94x = 198,332.82 × 83,292.75
  4. Step 4: Simplify right side
    143,717.94x = 16,519,685,993.06
  5. Step 5: Solve for x
    x = 16,519,685,993.06/143,717.94
  6. Step 6: Final answer
    x = 114,945.19

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1.5x scale

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.