Home / 120,936.81-166,879.53-69,950.55

Finding the Fourth Proportional to 120,936.81, 166,879.53 and 69,950.55

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Solution

The fourth proportional to 120,936.81, 166,879.53 and 69,950.55 is: 96,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,936.81 : 166,879.53 = 69,950.55 : x
  2. Step 2: Convert to fraction form
    120,936.81/166,879.53 = 69,950.55/x
  3. Step 3: Cross multiply
    120,936.81x = 166,879.53 × 69,950.55
  4. Step 4: Simplify right side
    120,936.81x = 11,673,314,907.24
  5. Step 5: Solve for x
    x = 11,673,314,907.24/120,936.81
  6. Step 6: Final answer
    x = 96,524.08

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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.