Home / 170,140.51-255,191.31-45,491.23

Finding the Fourth Proportional to 170,140.51, 255,191.31 and 45,491.23

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Solution

The fourth proportional to 170,140.51, 255,191.31 and 45,491.23 is: 68,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,140.51 : 255,191.31 = 45,491.23 : x
  2. Step 2: Convert to fraction form
    170,140.51/255,191.31 = 45,491.23/x
  3. Step 3: Cross multiply
    170,140.51x = 255,191.31 × 45,491.23
  4. Step 4: Simplify right side
    170,140.51x = 11,608,965,301.25
  5. Step 5: Solve for x
    x = 11,608,965,301.25/170,140.51
  6. Step 6: Final answer
    x = 68,231.64

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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.