Home / 149,040.26-223,506.30-81,622.40

Finding the Fourth Proportional to 149,040.26, 223,506.30 and 81,622.40

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Solution

The fourth proportional to 149,040.26, 223,506.30 and 81,622.40 is: 122,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,040.26 : 223,506.30 = 81,622.40 : x
  2. Step 2: Convert to fraction form
    149,040.26/223,506.30 = 81,622.40/x
  3. Step 3: Cross multiply
    149,040.26x = 223,506.30 × 81,622.40
  4. Step 4: Simplify right side
    149,040.26x = 18,243,120,745.08
  5. Step 5: Solve for x
    x = 18,243,120,745.08/149,040.26
  6. Step 6: Final answer
    x = 122,403.98

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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.