Home / 111,205.87-166,649.07-63,212.61

Finding the Fourth Proportional to 111,205.87, 166,649.07 and 63,212.61

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Solution

The fourth proportional to 111,205.87, 166,649.07 and 63,212.61 is: 94,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,205.87 : 166,649.07 = 63,212.61 : x
  2. Step 2: Convert to fraction form
    111,205.87/166,649.07 = 63,212.61/x
  3. Step 3: Cross multiply
    111,205.87x = 166,649.07 × 63,212.61
  4. Step 4: Simplify right side
    111,205.87x = 10,534,322,668.77
  5. Step 5: Solve for x
    x = 10,534,322,668.77/111,205.87
  6. Step 6: Final answer
    x = 94,728.12

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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.