Home / 188,927.51-260,714.89-102,884.78

Finding the Fourth Proportional to 188,927.51, 260,714.89 and 102,884.78

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Solution

The fourth proportional to 188,927.51, 260,714.89 and 102,884.78 is: 141,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,927.51 : 260,714.89 = 102,884.78 : x
  2. Step 2: Convert to fraction form
    188,927.51/260,714.89 = 102,884.78/x
  3. Step 3: Cross multiply
    188,927.51x = 260,714.89 × 102,884.78
  4. Step 4: Simplify right side
    188,927.51x = 26,823,594,100.37
  5. Step 5: Solve for x
    x = 26,823,594,100.37/188,927.51
  6. Step 6: Final answer
    x = 141,978.23

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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.