Home / 109,858.20-164,787.30-26,752.20

Finding the Fourth Proportional to 109,858.20, 164,787.30 and 26,752.20

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Solution

The fourth proportional to 109,858.20, 164,787.30 and 26,752.20 is: 40,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,858.20 : 164,787.30 = 26,752.20 : x
  2. Step 2: Convert to fraction form
    109,858.20/164,787.30 = 26,752.20/x
  3. Step 3: Cross multiply
    109,858.20x = 164,787.30 × 26,752.20
  4. Step 4: Simplify right side
    109,858.20x = 4,408,422,807.06
  5. Step 5: Solve for x
    x = 4,408,422,807.06/109,858.20
  6. Step 6: Final answer
    x = 40,128.30

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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.