Home / 120,713.76-166,583.73-66,999.24

Finding the Fourth Proportional to 120,713.76, 166,583.73 and 66,999.24

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Solution

The fourth proportional to 120,713.76, 166,583.73 and 66,999.24 is: 92,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,713.76 : 166,583.73 = 66,999.24 : x
  2. Step 2: Convert to fraction form
    120,713.76/166,583.73 = 66,999.24/x
  3. Step 3: Cross multiply
    120,713.76x = 166,583.73 × 66,999.24
  4. Step 4: Simplify right side
    120,713.76x = 11,160,983,306.37
  5. Step 5: Solve for x
    x = 11,160,983,306.37/120,713.76
  6. Step 6: Final answer
    x = 92,458.25

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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.