Home / 109,408.93-164,117.03-30,516.55

Finding the Fourth Proportional to 109,408.93, 164,117.03 and 30,516.55

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Solution

The fourth proportional to 109,408.93, 164,117.03 and 30,516.55 is: 45,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,408.93 : 164,117.03 = 30,516.55 : x
  2. Step 2: Convert to fraction form
    109,408.93/164,117.03 = 30,516.55/x
  3. Step 3: Cross multiply
    109,408.93x = 164,117.03 × 30,516.55
  4. Step 4: Simplify right side
    109,408.93x = 5,008,285,551.85
  5. Step 5: Solve for x
    x = 5,008,285,551.85/109,408.93
  6. Step 6: Final answer
    x = 45,775.84

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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.