Home / 230,321.96-317,831.19-126,935.64

Finding the Fourth Proportional to 230,321.96, 317,831.19 and 126,935.64

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Solution

The fourth proportional to 230,321.96, 317,831.19 and 126,935.64 is: 175,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,321.96 : 317,831.19 = 126,935.64 : x
  2. Step 2: Convert to fraction form
    230,321.96/317,831.19 = 126,935.64/x
  3. Step 3: Cross multiply
    230,321.96x = 317,831.19 × 126,935.64
  4. Step 4: Simplify right side
    230,321.96x = 40,344,105,514.61
  5. Step 5: Solve for x
    x = 40,344,105,514.61/230,321.96
  6. Step 6: Final answer
    x = 175,163.96

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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.