Home / 109,089.50-163,634.46-30,203.96

Finding the Fourth Proportional to 109,089.50, 163,634.46 and 30,203.96

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Solution

The fourth proportional to 109,089.50, 163,634.46 and 30,203.96 is: 45,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,089.50 : 163,634.46 = 30,203.96 : x
  2. Step 2: Convert to fraction form
    109,089.50/163,634.46 = 30,203.96/x
  3. Step 3: Cross multiply
    109,089.50x = 163,634.46 × 30,203.96
  4. Step 4: Simplify right side
    109,089.50x = 4,942,408,684.46
  5. Step 5: Solve for x
    x = 4,942,408,684.46/109,089.50
  6. Step 6: Final answer
    x = 45,306.00

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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.