Home / 189,175.47-261,063.96-104,295.57

Finding the Fourth Proportional to 189,175.47, 261,063.96 and 104,295.57

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Solution

The fourth proportional to 189,175.47, 261,063.96 and 104,295.57 is: 143,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,175.47 : 261,063.96 = 104,295.57 : x
  2. Step 2: Convert to fraction form
    189,175.47/261,063.96 = 104,295.57/x
  3. Step 3: Cross multiply
    189,175.47x = 261,063.96 × 104,295.57
  4. Step 4: Simplify right side
    189,175.47x = 27,227,814,514.66
  5. Step 5: Solve for x
    x = 27,227,814,514.66/189,175.47
  6. Step 6: Final answer
    x = 143,928.89

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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.