Home / 109,219.05-163,828.64-30,333.27

Finding the Fourth Proportional to 109,219.05, 163,828.64 and 30,333.27

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Solution

The fourth proportional to 109,219.05, 163,828.64 and 30,333.27 is: 45,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,219.05 : 163,828.64 = 30,333.27 : x
  2. Step 2: Convert to fraction form
    109,219.05/163,828.64 = 30,333.27/x
  3. Step 3: Cross multiply
    109,219.05x = 163,828.64 × 30,333.27
  4. Step 4: Simplify right side
    109,219.05x = 4,969,458,370.85
  5. Step 5: Solve for x
    x = 4,969,458,370.85/109,219.05
  6. Step 6: Final answer
    x = 45,499.92

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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.