Home / 213,632.05-320,466.37-55,860.25

Finding the Fourth Proportional to 213,632.05, 320,466.37 and 55,860.25

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Solution

The fourth proportional to 213,632.05, 320,466.37 and 55,860.25 is: 83,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,632.05 : 320,466.37 = 55,860.25 : x
  2. Step 2: Convert to fraction form
    213,632.05/320,466.37 = 55,860.25/x
  3. Step 3: Cross multiply
    213,632.05x = 320,466.37 × 55,860.25
  4. Step 4: Simplify right side
    213,632.05x = 17,901,331,544.79
  5. Step 5: Solve for x
    x = 17,901,331,544.79/213,632.05
  6. Step 6: Final answer
    x = 83,795.16

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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.