Home / 97,994.40-135,229.68-55,554.72

Finding the Fourth Proportional to 97,994.40, 135,229.68 and 55,554.72

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Solution

The fourth proportional to 97,994.40, 135,229.68 and 55,554.72 is: 76,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,994.40 : 135,229.68 = 55,554.72 : x
  2. Step 2: Convert to fraction form
    97,994.40/135,229.68 = 55,554.72/x
  3. Step 3: Cross multiply
    97,994.40x = 135,229.68 × 55,554.72
  4. Step 4: Simplify right side
    97,994.40x = 7,512,647,008.09
  5. Step 5: Solve for x
    x = 7,512,647,008.09/97,994.40
  6. Step 6: Final answer
    x = 76,664.04

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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.