Home / 197,665.94-272,778.60-107,021.98

Finding the Fourth Proportional to 197,665.94, 272,778.60 and 107,021.98

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Solution

The fourth proportional to 197,665.94, 272,778.60 and 107,021.98 is: 147,690.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,665.94 : 272,778.60 = 107,021.98 : x
  2. Step 2: Convert to fraction form
    197,665.94/272,778.60 = 107,021.98/x
  3. Step 3: Cross multiply
    197,665.94x = 272,778.60 × 107,021.98
  4. Step 4: Simplify right side
    197,665.94x = 29,193,306,615.93
  5. Step 5: Solve for x
    x = 29,193,306,615.93/197,665.94
  6. Step 6: Final answer
    x = 147,690.12

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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.