Home / 231,537.36-319,451.04-129,552.24

Finding the Fourth Proportional to 231,537.36, 319,451.04 and 129,552.24

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Solution

The fourth proportional to 231,537.36, 319,451.04 and 129,552.24 is: 178,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,537.36 : 319,451.04 = 129,552.24 : x
  2. Step 2: Convert to fraction form
    231,537.36/319,451.04 = 129,552.24/x
  3. Step 3: Cross multiply
    231,537.36x = 319,451.04 × 129,552.24
  4. Step 4: Simplify right side
    231,537.36x = 41,385,597,802.33
  5. Step 5: Solve for x
    x = 41,385,597,802.33/231,537.36
  6. Step 6: Final answer
    x = 178,742.63

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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.