Home / 199,974.63-276,034.49-115,125.51

Finding the Fourth Proportional to 199,974.63, 276,034.49 and 115,125.51

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Solution

The fourth proportional to 199,974.63, 276,034.49 and 115,125.51 is: 158,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,974.63 : 276,034.49 = 115,125.51 : x
  2. Step 2: Convert to fraction form
    199,974.63/276,034.49 = 115,125.51/x
  3. Step 3: Cross multiply
    199,974.63x = 276,034.49 × 115,125.51
  4. Step 4: Simplify right side
    199,974.63x = 31,778,610,863.21
  5. Step 5: Solve for x
    x = 31,778,610,863.21/199,974.63
  6. Step 6: Final answer
    x = 158,913.21

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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.