Home / 109,093.56-163,640.08-30,207.54

Finding the Fourth Proportional to 109,093.56, 163,640.08 and 30,207.54

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Solution

The fourth proportional to 109,093.56, 163,640.08 and 30,207.54 is: 45,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,093.56 : 163,640.08 = 30,207.54 : x
  2. Step 2: Convert to fraction form
    109,093.56/163,640.08 = 30,207.54/x
  3. Step 3: Cross multiply
    109,093.56x = 163,640.08 × 30,207.54
  4. Step 4: Simplify right side
    109,093.56x = 4,943,164,262.20
  5. Step 5: Solve for x
    x = 4,943,164,262.20/109,093.56
  6. Step 6: Final answer
    x = 45,311.24

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1.5x scale

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.