Home / 213,618.22-320,147.07-157,194.16

Finding the Fourth Proportional to 213,618.22, 320,147.07 and 157,194.16

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Solution

The fourth proportional to 213,618.22, 320,147.07 and 157,194.16 is: 235,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,618.22 : 320,147.07 = 157,194.16 : x
  2. Step 2: Convert to fraction form
    213,618.22/320,147.07 = 157,194.16/x
  3. Step 3: Cross multiply
    213,618.22x = 320,147.07 × 157,194.16
  4. Step 4: Simplify right side
    213,618.22x = 50,325,249,745.11
  5. Step 5: Solve for x
    x = 50,325,249,745.11/213,618.22
  6. Step 6: Final answer
    x = 235,585.01

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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.