Home / 109,619.60-164,429.40-43,037.60

Finding the Fourth Proportional to 109,619.60, 164,429.40 and 43,037.60

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Solution

The fourth proportional to 109,619.60, 164,429.40 and 43,037.60 is: 64,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,619.60 : 164,429.40 = 43,037.60 : x
  2. Step 2: Convert to fraction form
    109,619.60/164,429.40 = 43,037.60/x
  3. Step 3: Cross multiply
    109,619.60x = 164,429.40 × 43,037.60
  4. Step 4: Simplify right side
    109,619.60x = 7,076,646,745.44
  5. Step 5: Solve for x
    x = 7,076,646,745.44/109,619.60
  6. Step 6: Final answer
    x = 64,556.40

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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.