Home / 188,749.36-282,992.82-83,510.92

Finding the Fourth Proportional to 188,749.36, 282,992.82 and 83,510.92

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Solution

The fourth proportional to 188,749.36, 282,992.82 and 83,510.92 is: 125,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,749.36 : 282,992.82 = 83,510.92 : x
  2. Step 2: Convert to fraction form
    188,749.36/282,992.82 = 83,510.92/x
  3. Step 3: Cross multiply
    188,749.36x = 282,992.82 × 83,510.92
  4. Step 4: Simplify right side
    188,749.36x = 23,632,990,751.59
  5. Step 5: Solve for x
    x = 23,632,990,751.59/188,749.36
  6. Step 6: Final answer
    x = 125,208.32

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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.