Home / 120,825.12-166,744.23-67,110.36

Finding the Fourth Proportional to 120,825.12, 166,744.23 and 67,110.36

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Solution

The fourth proportional to 120,825.12, 166,744.23 and 67,110.36 is: 92,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,825.12 : 166,744.23 = 67,110.36 : x
  2. Step 2: Convert to fraction form
    120,825.12/166,744.23 = 67,110.36/x
  3. Step 3: Cross multiply
    120,825.12x = 166,744.23 × 67,110.36
  4. Step 4: Simplify right side
    120,825.12x = 11,190,265,303.22
  5. Step 5: Solve for x
    x = 11,190,265,303.22/120,825.12
  6. Step 6: Final answer
    x = 92,615.39

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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.