Home / 120,941.36-166,897.40-67,226.48

Finding the Fourth Proportional to 120,941.36, 166,897.40 and 67,226.48

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Solution

The fourth proportional to 120,941.36, 166,897.40 and 67,226.48 is: 92,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,941.36 : 166,897.40 = 67,226.48 : x
  2. Step 2: Convert to fraction form
    120,941.36/166,897.40 = 67,226.48/x
  3. Step 3: Cross multiply
    120,941.36x = 166,897.40 × 67,226.48
  4. Step 4: Simplify right side
    120,941.36x = 11,219,924,723.15
  5. Step 5: Solve for x
    x = 11,219,924,723.15/120,941.36
  6. Step 6: Final answer
    x = 92,771.61

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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.