Home / 120,437.96-166,199.65-66,723.82

Finding the Fourth Proportional to 120,437.96, 166,199.65 and 66,723.82

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Solution

The fourth proportional to 120,437.96, 166,199.65 and 66,723.82 is: 92,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,437.96 : 166,199.65 = 66,723.82 : x
  2. Step 2: Convert to fraction form
    120,437.96/166,199.65 = 66,723.82/x
  3. Step 3: Cross multiply
    120,437.96x = 166,199.65 × 66,723.82
  4. Step 4: Simplify right side
    120,437.96x = 11,089,475,530.66
  5. Step 5: Solve for x
    x = 11,089,475,530.66/120,437.96
  6. Step 6: Final answer
    x = 92,076.25

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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.