Home / 193,110.96-289,666.62-109,830

Finding the Fourth Proportional to 193,110.96, 289,666.62 and 109,830

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Solution

The fourth proportional to 193,110.96, 289,666.62 and 109,830 is: 164,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,110.96 : 289,666.62 = 109,830 : x
  2. Step 2: Convert to fraction form
    193,110.96/289,666.62 = 109,830/x
  3. Step 3: Cross multiply
    193,110.96x = 289,666.62 × 109,830
  4. Step 4: Simplify right side
    193,110.96x = 31,814,084,874.60
  5. Step 5: Solve for x
    x = 31,814,084,874.60/193,110.96
  6. Step 6: Final answer
    x = 164,745.10

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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.