Home / 188,443.93-282,718.66-76,202.97

Finding the Fourth Proportional to 188,443.93, 282,718.66 and 76,202.97

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Solution

The fourth proportional to 188,443.93, 282,718.66 and 76,202.97 is: 114,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,443.93 : 282,718.66 = 76,202.97 : x
  2. Step 2: Convert to fraction form
    188,443.93/282,718.66 = 76,202.97/x
  3. Step 3: Cross multiply
    188,443.93x = 282,718.66 × 76,202.97
  4. Step 4: Simplify right side
    188,443.93x = 21,544,001,756.93
  5. Step 5: Solve for x
    x = 21,544,001,756.93/188,443.93
  6. Step 6: Final answer
    x = 114,325.79

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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.