Home / 143,292.81-197,728.37-82,854.30

Finding the Fourth Proportional to 143,292.81, 197,728.37 and 82,854.30

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Solution

The fourth proportional to 143,292.81, 197,728.37 and 82,854.30 is: 114,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,292.81 : 197,728.37 = 82,854.30 : x
  2. Step 2: Convert to fraction form
    143,292.81/197,728.37 = 82,854.30/x
  3. Step 3: Cross multiply
    143,292.81x = 197,728.37 × 82,854.30
  4. Step 4: Simplify right side
    143,292.81x = 16,382,646,324.40
  5. Step 5: Solve for x
    x = 16,382,646,324.40/143,292.81
  6. Step 6: Final answer
    x = 114,329.85

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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.