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Finding the Fourth Proportional to 170,342.73, 255,571.00 and 75,559.86

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Solution

The fourth proportional to 170,342.73, 255,571.00 and 75,559.86 is: 113,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,342.73 : 255,571.00 = 75,559.86 : x
  2. Step 2: Convert to fraction form
    170,342.73/255,571.00 = 75,559.86/x
  3. Step 3: Cross multiply
    170,342.73x = 255,571.00 × 75,559.86
  4. Step 4: Simplify right side
    170,342.73x = 19,310,909,509.95
  5. Step 5: Solve for x
    x = 19,310,909,509.95/170,342.73
  6. Step 6: Final answer
    x = 113,365.03

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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.