Home / 120,429.25-166,201.73-66,719.23

Finding the Fourth Proportional to 120,429.25, 166,201.73 and 66,719.23

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Solution

The fourth proportional to 120,429.25, 166,201.73 and 66,719.23 is: 92,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,429.25 : 166,201.73 = 66,719.23 : x
  2. Step 2: Convert to fraction form
    120,429.25/166,201.73 = 66,719.23/x
  3. Step 3: Cross multiply
    120,429.25x = 166,201.73 × 66,719.23
  4. Step 4: Simplify right side
    120,429.25x = 11,088,851,450.27
  5. Step 5: Solve for x
    x = 11,088,851,450.27/120,429.25
  6. Step 6: Final answer
    x = 92,077.73

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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.