Home / 103,150.55-154,734.03-43,986.73

Finding the Fourth Proportional to 103,150.55, 154,734.03 and 43,986.73

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Solution

The fourth proportional to 103,150.55, 154,734.03 and 43,986.73 is: 65,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,150.55 : 154,734.03 = 43,986.73 : x
  2. Step 2: Convert to fraction form
    103,150.55/154,734.03 = 43,986.73/x
  3. Step 3: Cross multiply
    103,150.55x = 154,734.03 × 43,986.73
  4. Step 4: Simplify right side
    103,150.55x = 6,806,243,999.42
  5. Step 5: Solve for x
    x = 6,806,243,999.42/103,150.55
  6. Step 6: Final answer
    x = 65,983.59

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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.