Home / 170,441.38-255,662.07-52,112.72

Finding the Fourth Proportional to 170,441.38, 255,662.07 and 52,112.72

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Solution

The fourth proportional to 170,441.38, 255,662.07 and 52,112.72 is: 78,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,441.38 : 255,662.07 = 52,112.72 : x
  2. Step 2: Convert to fraction form
    170,441.38/255,662.07 = 52,112.72/x
  3. Step 3: Cross multiply
    170,441.38x = 255,662.07 × 52,112.72
  4. Step 4: Simplify right side
    170,441.38x = 13,323,245,868.53
  5. Step 5: Solve for x
    x = 13,323,245,868.53/170,441.38
  6. Step 6: Final answer
    x = 78,169.08

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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.