Home / 217,660.02-300,284.94-125,718.54

Finding the Fourth Proportional to 217,660.02, 300,284.94 and 125,718.54

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Solution

The fourth proportional to 217,660.02, 300,284.94 and 125,718.54 is: 173,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,660.02 : 300,284.94 = 125,718.54 : x
  2. Step 2: Convert to fraction form
    217,660.02/300,284.94 = 125,718.54/x
  3. Step 3: Cross multiply
    217,660.02x = 300,284.94 × 125,718.54
  4. Step 4: Simplify right side
    217,660.02x = 37,751,384,240.79
  5. Step 5: Solve for x
    x = 37,751,384,240.79/217,660.02
  6. Step 6: Final answer
    x = 173,441.98

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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.