Home / 188,334.80-259,976.08-112,868.72

Finding the Fourth Proportional to 188,334.80, 259,976.08 and 112,868.72

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Solution

The fourth proportional to 188,334.80, 259,976.08 and 112,868.72 is: 155,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,334.80 : 259,976.08 = 112,868.72 : x
  2. Step 2: Convert to fraction form
    188,334.80/259,976.08 = 112,868.72/x
  3. Step 3: Cross multiply
    188,334.80x = 259,976.08 × 112,868.72
  4. Step 4: Simplify right side
    188,334.80x = 29,343,167,380.22
  5. Step 5: Solve for x
    x = 29,343,167,380.22/188,334.80
  6. Step 6: Final answer
    x = 155,803.22

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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.