Home / 109,135.23-163,704.06-30,250.14

Finding the Fourth Proportional to 109,135.23, 163,704.06 and 30,250.14

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Solution

The fourth proportional to 109,135.23, 163,704.06 and 30,250.14 is: 45,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,135.23 : 163,704.06 = 30,250.14 : x
  2. Step 2: Convert to fraction form
    109,135.23/163,704.06 = 30,250.14/x
  3. Step 3: Cross multiply
    109,135.23x = 163,704.06 × 30,250.14
  4. Step 4: Simplify right side
    109,135.23x = 4,952,070,733.57
  5. Step 5: Solve for x
    x = 4,952,070,733.57/109,135.23
  6. Step 6: Final answer
    x = 45,375.55

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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.