Home / 140,391.89-193,252.60-122,455.66

Finding the Fourth Proportional to 140,391.89, 193,252.60 and 122,455.66

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Solution

The fourth proportional to 140,391.89, 193,252.60 and 122,455.66 is: 168,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,391.89 : 193,252.60 = 122,455.66 : x
  2. Step 2: Convert to fraction form
    140,391.89/193,252.60 = 122,455.66/x
  3. Step 3: Cross multiply
    140,391.89x = 193,252.60 × 122,455.66
  4. Step 4: Simplify right side
    140,391.89x = 23,664,874,679.72
  5. Step 5: Solve for x
    x = 23,664,874,679.72/140,391.89
  6. Step 6: Final answer
    x = 168,562.98

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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.