Home / 230,736.38-318,416.26-127,370.66

Finding the Fourth Proportional to 230,736.38, 318,416.26 and 127,370.66

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Solution

The fourth proportional to 230,736.38, 318,416.26 and 127,370.66 is: 175,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,736.38 : 318,416.26 = 127,370.66 : x
  2. Step 2: Convert to fraction form
    230,736.38/318,416.26 = 127,370.66/x
  3. Step 3: Cross multiply
    230,736.38x = 318,416.26 × 127,370.66
  4. Step 4: Simplify right side
    230,736.38x = 40,556,889,190.93
  5. Step 5: Solve for x
    x = 40,556,889,190.93/230,736.38
  6. Step 6: Final answer
    x = 175,771.54

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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.