Home / 109,019.85-163,525.11-34,138.34

Finding the Fourth Proportional to 109,019.85, 163,525.11 and 34,138.34

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Solution

The fourth proportional to 109,019.85, 163,525.11 and 34,138.34 is: 51,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,019.85 : 163,525.11 = 34,138.34 : x
  2. Step 2: Convert to fraction form
    109,019.85/163,525.11 = 34,138.34/x
  3. Step 3: Cross multiply
    109,019.85x = 163,525.11 × 34,138.34
  4. Step 4: Simplify right side
    109,019.85x = 5,582,474,986.09
  5. Step 5: Solve for x
    x = 5,582,474,986.09/109,019.85
  6. Step 6: Final answer
    x = 51,206.04

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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.