Home / 143,245.73-197,690.88-92,364.38

Finding the Fourth Proportional to 143,245.73, 197,690.88 and 92,364.38

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Solution

The fourth proportional to 143,245.73, 197,690.88 and 92,364.38 is: 127,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,245.73 : 197,690.88 = 92,364.38 : x
  2. Step 2: Convert to fraction form
    143,245.73/197,690.88 = 92,364.38/x
  3. Step 3: Cross multiply
    143,245.73x = 197,690.88 × 92,364.38
  4. Step 4: Simplify right side
    143,245.73x = 18,259,595,562.85
  5. Step 5: Solve for x
    x = 18,259,595,562.85/143,245.73
  6. Step 6: Final answer
    x = 127,470.44

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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.