Home / 170,899.47-256,182.58-68,286.22

Finding the Fourth Proportional to 170,899.47, 256,182.58 and 68,286.22

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Solution

The fourth proportional to 170,899.47, 256,182.58 and 68,286.22 is: 102,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,899.47 : 256,182.58 = 68,286.22 : x
  2. Step 2: Convert to fraction form
    170,899.47/256,182.58 = 68,286.22/x
  3. Step 3: Cross multiply
    170,899.47x = 256,182.58 × 68,286.22
  4. Step 4: Simplify right side
    170,899.47x = 17,493,740,018.05
  5. Step 5: Solve for x
    x = 17,493,740,018.05/170,899.47
  6. Step 6: Final answer
    x = 102,362.75

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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.