Home / 213,779.40-295,189.94-137,336.44

Finding the Fourth Proportional to 213,779.40, 295,189.94 and 137,336.44

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Solution

The fourth proportional to 213,779.40, 295,189.94 and 137,336.44 is: 189,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,779.40 : 295,189.94 = 137,336.44 : x
  2. Step 2: Convert to fraction form
    213,779.40/295,189.94 = 137,336.44/x
  3. Step 3: Cross multiply
    213,779.40x = 295,189.94 × 137,336.44
  4. Step 4: Simplify right side
    213,779.40x = 40,540,335,483.41
  5. Step 5: Solve for x
    x = 40,540,335,483.41/213,779.40
  6. Step 6: Final answer
    x = 189,636.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.