Home / 120,332.37-166,059.99-66,618.29

Finding the Fourth Proportional to 120,332.37, 166,059.99 and 66,618.29

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Solution

The fourth proportional to 120,332.37, 166,059.99 and 66,618.29 is: 91,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,332.37 : 166,059.99 = 66,618.29 : x
  2. Step 2: Convert to fraction form
    120,332.37/166,059.99 = 66,618.29/x
  3. Step 3: Cross multiply
    120,332.37x = 166,059.99 × 66,618.29
  4. Step 4: Simplify right side
    120,332.37x = 11,062,632,571.22
  5. Step 5: Solve for x
    x = 11,062,632,571.22/120,332.37
  6. Step 6: Final answer
    x = 91,933.97

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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.