Home / 170,333.64-255,606.21-115,680.51

Finding the Fourth Proportional to 170,333.64, 255,606.21 and 115,680.51

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Solution

The fourth proportional to 170,333.64, 255,606.21 and 115,680.51 is: 173,592.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,333.64 : 255,606.21 = 115,680.51 : x
  2. Step 2: Convert to fraction form
    170,333.64/255,606.21 = 115,680.51/x
  3. Step 3: Cross multiply
    170,333.64x = 255,606.21 × 115,680.51
  4. Step 4: Simplify right side
    170,333.64x = 29,568,656,731.97
  5. Step 5: Solve for x
    x = 29,568,656,731.97/170,333.64
  6. Step 6: Final answer
    x = 173,592.58

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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.