Home / 189,733.41-261,837.09-103,696.02

Finding the Fourth Proportional to 189,733.41, 261,837.09 and 103,696.02

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Solution

The fourth proportional to 189,733.41, 261,837.09 and 103,696.02 is: 143,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,733.41 : 261,837.09 = 103,696.02 : x
  2. Step 2: Convert to fraction form
    189,733.41/261,837.09 = 103,696.02/x
  3. Step 3: Cross multiply
    189,733.41x = 261,837.09 × 103,696.02
  4. Step 4: Simplify right side
    189,733.41x = 27,151,464,121.38
  5. Step 5: Solve for x
    x = 27,151,464,121.38/189,733.41
  6. Step 6: Final answer
    x = 143,103.23

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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.