Home / 236,512.22-326,388.02-129,084.75

Finding the Fourth Proportional to 236,512.22, 326,388.02 and 129,084.75

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Solution

The fourth proportional to 236,512.22, 326,388.02 and 129,084.75 is: 178,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,512.22 : 326,388.02 = 129,084.75 : x
  2. Step 2: Convert to fraction form
    236,512.22/326,388.02 = 129,084.75/x
  3. Step 3: Cross multiply
    236,512.22x = 326,388.02 × 129,084.75
  4. Step 4: Simplify right side
    236,512.22x = 42,131,715,319.27
  5. Step 5: Solve for x
    x = 42,131,715,319.27/236,512.22
  6. Step 6: Final answer
    x = 178,137.59

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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.