Home / 213,620.22-320,150.07-157,196.16

Finding the Fourth Proportional to 213,620.22, 320,150.07 and 157,196.16

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Solution

The fourth proportional to 213,620.22, 320,150.07 and 157,196.16 is: 235,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,620.22 : 320,150.07 = 157,196.16 : x
  2. Step 2: Convert to fraction form
    213,620.22/320,150.07 = 157,196.16/x
  3. Step 3: Cross multiply
    213,620.22x = 320,150.07 × 157,196.16
  4. Step 4: Simplify right side
    213,620.22x = 50,326,361,627.73
  5. Step 5: Solve for x
    x = 50,326,361,627.73/213,620.22
  6. Step 6: Final answer
    x = 235,588.01

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1.5x scale

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.