Home / 120,941.10-166,892.40-73,191.60

Finding the Fourth Proportional to 120,941.10, 166,892.40 and 73,191.60

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Solution

The fourth proportional to 120,941.10, 166,892.40 and 73,191.60 is: 101,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,941.10 : 166,892.40 = 73,191.60 : x
  2. Step 2: Convert to fraction form
    120,941.10/166,892.40 = 73,191.60/x
  3. Step 3: Cross multiply
    120,941.10x = 166,892.40 × 73,191.60
  4. Step 4: Simplify right side
    120,941.10x = 12,215,121,783.84
  5. Step 5: Solve for x
    x = 12,215,121,783.84/120,941.10
  6. Step 6: Final answer
    x = 101,000.58

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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.