Home / 212,268.06-292,764.09-131,650.38

Finding the Fourth Proportional to 212,268.06, 292,764.09 and 131,650.38

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Solution

The fourth proportional to 212,268.06, 292,764.09 and 131,650.38 is: 181,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,268.06 : 292,764.09 = 131,650.38 : x
  2. Step 2: Convert to fraction form
    212,268.06/292,764.09 = 131,650.38/x
  3. Step 3: Cross multiply
    212,268.06x = 292,764.09 × 131,650.38
  4. Step 4: Simplify right side
    212,268.06x = 38,542,503,698.85
  5. Step 5: Solve for x
    x = 38,542,503,698.85/212,268.06
  6. Step 6: Final answer
    x = 181,574.67

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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.