Home / 122,096.72-182,907.48-90,017.36

Finding the Fourth Proportional to 122,096.72, 182,907.48 and 90,017.36

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Solution

The fourth proportional to 122,096.72, 182,907.48 and 90,017.36 is: 134,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,096.72 : 182,907.48 = 90,017.36 : x
  2. Step 2: Convert to fraction form
    122,096.72/182,907.48 = 90,017.36/x
  3. Step 3: Cross multiply
    122,096.72x = 182,907.48 × 90,017.36
  4. Step 4: Simplify right side
    122,096.72x = 16,464,848,473.85
  5. Step 5: Solve for x
    x = 16,464,848,473.85/122,096.72
  6. Step 6: Final answer
    x = 134,850.87

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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.