Home / 109,865.45-164,783.57-30,986.03

Finding the Fourth Proportional to 109,865.45, 164,783.57 and 30,986.03

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Solution

The fourth proportional to 109,865.45, 164,783.57 and 30,986.03 is: 46,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,865.45 : 164,783.57 = 30,986.03 : x
  2. Step 2: Convert to fraction form
    109,865.45/164,783.57 = 30,986.03/x
  3. Step 3: Cross multiply
    109,865.45x = 164,783.57 × 30,986.03
  4. Step 4: Simplify right side
    109,865.45x = 5,105,987,664.68
  5. Step 5: Solve for x
    x = 5,105,987,664.68/109,865.45
  6. Step 6: Final answer
    x = 46,474.92

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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.