Home / 193,534.86-290,178.36-75,079.92

Finding the Fourth Proportional to 193,534.86, 290,178.36 and 75,079.92

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Solution

The fourth proportional to 193,534.86, 290,178.36 and 75,079.92 is: 112,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,534.86 : 290,178.36 = 75,079.92 : x
  2. Step 2: Convert to fraction form
    193,534.86/290,178.36 = 75,079.92/x
  3. Step 3: Cross multiply
    193,534.86x = 290,178.36 × 75,079.92
  4. Step 4: Simplify right side
    193,534.86x = 21,786,568,054.53
  5. Step 5: Solve for x
    x = 21,786,568,054.53/193,534.86
  6. Step 6: Final answer
    x = 112,571.80

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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.