Home / 188,307.04-259,755.24-112,811.80

Finding the Fourth Proportional to 188,307.04, 259,755.24 and 112,811.80

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Solution

The fourth proportional to 188,307.04, 259,755.24 and 112,811.80 is: 155,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,307.04 : 259,755.24 = 112,811.80 : x
  2. Step 2: Convert to fraction form
    188,307.04/259,755.24 = 112,811.80/x
  3. Step 3: Cross multiply
    188,307.04x = 259,755.24 × 112,811.80
  4. Step 4: Simplify right side
    188,307.04x = 29,303,456,183.83
  5. Step 5: Solve for x
    x = 29,303,456,183.83/188,307.04
  6. Step 6: Final answer
    x = 155,615.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.