Home / 188,743.47-282,878.16-112,897.97

Finding the Fourth Proportional to 188,743.47, 282,878.16 and 112,897.97

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Solution

The fourth proportional to 188,743.47, 282,878.16 and 112,897.97 is: 169,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,743.47 : 282,878.16 = 112,897.97 : x
  2. Step 2: Convert to fraction form
    188,743.47/282,878.16 = 112,897.97/x
  3. Step 3: Cross multiply
    188,743.47x = 282,878.16 × 112,897.97
  4. Step 4: Simplify right side
    188,743.47x = 31,936,368,042.45
  5. Step 5: Solve for x
    x = 31,936,368,042.45/188,743.47
  6. Step 6: Final answer
    x = 169,205.15

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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.