Home / 170,022.71-255,043.19-51,685.07

Finding the Fourth Proportional to 170,022.71, 255,043.19 and 51,685.07

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Solution

The fourth proportional to 170,022.71, 255,043.19 and 51,685.07 is: 77,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,022.71 : 255,043.19 = 51,685.07 : x
  2. Step 2: Convert to fraction form
    170,022.71/255,043.19 = 51,685.07/x
  3. Step 3: Cross multiply
    170,022.71x = 255,043.19 × 51,685.07
  4. Step 4: Simplify right side
    170,022.71x = 13,181,923,982.17
  5. Step 5: Solve for x
    x = 13,181,923,982.17/170,022.71
  6. Step 6: Final answer
    x = 77,530.37

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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.