Home / 213,779.22-295,012.97-118,286.60

Finding the Fourth Proportional to 213,779.22, 295,012.97 and 118,286.60

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Solution

The fourth proportional to 213,779.22, 295,012.97 and 118,286.60 is: 163,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,779.22 : 295,012.97 = 118,286.60 : x
  2. Step 2: Convert to fraction form
    213,779.22/295,012.97 = 118,286.60/x
  3. Step 3: Cross multiply
    213,779.22x = 295,012.97 × 118,286.60
  4. Step 4: Simplify right side
    213,779.22x = 34,896,079,554.28
  5. Step 5: Solve for x
    x = 34,896,079,554.28/213,779.22
  6. Step 6: Final answer
    x = 163,234.20

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1.5x scale

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.