Home / 80,956.88-121,425.24-34,203.68

Finding the Fourth Proportional to 80,956.88, 121,425.24 and 34,203.68

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Solution

The fourth proportional to 80,956.88, 121,425.24 and 34,203.68 is: 51,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,956.88 : 121,425.24 = 34,203.68 : x
  2. Step 2: Convert to fraction form
    80,956.88/121,425.24 = 34,203.68/x
  3. Step 3: Cross multiply
    80,956.88x = 121,425.24 × 34,203.68
  4. Step 4: Simplify right side
    80,956.88x = 4,153,190,052.88
  5. Step 5: Solve for x
    x = 4,153,190,052.88/80,956.88
  6. Step 6: Final answer
    x = 51,301.26

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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.