Home / 131,745.27-197,814.74-129,776.97

Finding the Fourth Proportional to 131,745.27, 197,814.74 and 129,776.97

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Solution

The fourth proportional to 131,745.27, 197,814.74 and 129,776.97 is: 194,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,745.27 : 197,814.74 = 129,776.97 : x
  2. Step 2: Convert to fraction form
    131,745.27/197,814.74 = 129,776.97/x
  3. Step 3: Cross multiply
    131,745.27x = 197,814.74 × 129,776.97
  4. Step 4: Simplify right side
    131,745.27x = 25,671,796,929.65
  5. Step 5: Solve for x
    x = 25,671,796,929.65/131,745.27
  6. Step 6: Final answer
    x = 194,859.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.