Home / 193,396.51-290,094.37-109,118.43

Finding the Fourth Proportional to 193,396.51, 290,094.37 and 109,118.43

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Solution

The fourth proportional to 193,396.51, 290,094.37 and 109,118.43 is: 163,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,396.51 : 290,094.37 = 109,118.43 : x
  2. Step 2: Convert to fraction form
    193,396.51/290,094.37 = 109,118.43/x
  3. Step 3: Cross multiply
    193,396.51x = 290,094.37 × 109,118.43
  4. Step 4: Simplify right side
    193,396.51x = 31,654,642,206.24
  5. Step 5: Solve for x
    x = 31,654,642,206.24/193,396.51
  6. Step 6: Final answer
    x = 163,677.42

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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.