Home / 109,738.60-164,607.90-43,156.60

Finding the Fourth Proportional to 109,738.60, 164,607.90 and 43,156.60

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Solution

The fourth proportional to 109,738.60, 164,607.90 and 43,156.60 is: 64,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,738.60 : 164,607.90 = 43,156.60 : x
  2. Step 2: Convert to fraction form
    109,738.60/164,607.90 = 43,156.60/x
  3. Step 3: Cross multiply
    109,738.60x = 164,607.90 × 43,156.60
  4. Step 4: Simplify right side
    109,738.60x = 7,103,917,297.14
  5. Step 5: Solve for x
    x = 7,103,917,297.14/109,738.60
  6. Step 6: Final answer
    x = 64,734.90

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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.