Home / 231,998.26-320,180.07-130,041.04

Finding the Fourth Proportional to 231,998.26, 320,180.07 and 130,041.04

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Solution

The fourth proportional to 231,998.26, 320,180.07 and 130,041.04 is: 179,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,998.26 : 320,180.07 = 130,041.04 : x
  2. Step 2: Convert to fraction form
    231,998.26/320,180.07 = 130,041.04/x
  3. Step 3: Cross multiply
    231,998.26x = 320,180.07 × 130,041.04
  4. Step 4: Simplify right side
    231,998.26x = 41,636,549,290.07
  5. Step 5: Solve for x
    x = 41,636,549,290.07/231,998.26
  6. Step 6: Final answer
    x = 179,469.23

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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.