Home / 120,550.07-166,362.96-66,840.09

Finding the Fourth Proportional to 120,550.07, 166,362.96 and 66,840.09

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Solution

The fourth proportional to 120,550.07, 166,362.96 and 66,840.09 is: 92,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,550.07 : 166,362.96 = 66,840.09 : x
  2. Step 2: Convert to fraction form
    120,550.07/166,362.96 = 66,840.09/x
  3. Step 3: Cross multiply
    120,550.07x = 166,362.96 × 66,840.09
  4. Step 4: Simplify right side
    120,550.07x = 11,119,714,845.86
  5. Step 5: Solve for x
    x = 11,119,714,845.86/120,550.07
  6. Step 6: Final answer
    x = 92,241.46

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1.5x scale

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.