Home / 154,615.05-231,988.59-65,910.33

Finding the Fourth Proportional to 154,615.05, 231,988.59 and 65,910.33

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Solution

The fourth proportional to 154,615.05, 231,988.59 and 65,910.33 is: 98,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,615.05 : 231,988.59 = 65,910.33 : x
  2. Step 2: Convert to fraction form
    154,615.05/231,988.59 = 65,910.33/x
  3. Step 3: Cross multiply
    154,615.05x = 231,988.59 × 65,910.33
  4. Step 4: Simplify right side
    154,615.05x = 15,290,444,523.13
  5. Step 5: Solve for x
    x = 15,290,444,523.13/154,615.05
  6. Step 6: Final answer
    x = 98,893.64

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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.