Home / 109,745.40-164,625.30-30,862.20

Finding the Fourth Proportional to 109,745.40, 164,625.30 and 30,862.20

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Solution

The fourth proportional to 109,745.40, 164,625.30 and 30,862.20 is: 46,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,745.40 : 164,625.30 = 30,862.20 : x
  2. Step 2: Convert to fraction form
    109,745.40/164,625.30 = 30,862.20/x
  3. Step 3: Cross multiply
    109,745.40x = 164,625.30 × 30,862.20
  4. Step 4: Simplify right side
    109,745.40x = 5,080,698,933.66
  5. Step 5: Solve for x
    x = 5,080,698,933.66/109,745.40
  6. Step 6: Final answer
    x = 46,295.32

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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.