Home / 109,181.30-163,771.95-30,295.54

Finding the Fourth Proportional to 109,181.30, 163,771.95 and 30,295.54

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Solution

The fourth proportional to 109,181.30, 163,771.95 and 30,295.54 is: 45,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,181.30 : 163,771.95 = 30,295.54 : x
  2. Step 2: Convert to fraction form
    109,181.30/163,771.95 = 30,295.54/x
  3. Step 3: Cross multiply
    109,181.30x = 163,771.95 × 30,295.54
  4. Step 4: Simplify right side
    109,181.30x = 4,961,559,662.10
  5. Step 5: Solve for x
    x = 4,961,559,662.10/109,181.30
  6. Step 6: Final answer
    x = 45,443.31

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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.