Home / 120,611.03-166,444.27-66,896.89

Finding the Fourth Proportional to 120,611.03, 166,444.27 and 66,896.89

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Solution

The fourth proportional to 120,611.03, 166,444.27 and 66,896.89 is: 92,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,611.03 : 166,444.27 = 66,896.89 : x
  2. Step 2: Convert to fraction form
    120,611.03/166,444.27 = 66,896.89/x
  3. Step 3: Cross multiply
    120,611.03x = 166,444.27 × 66,896.89
  4. Step 4: Simplify right side
    120,611.03x = 11,134,603,437.97
  5. Step 5: Solve for x
    x = 11,134,603,437.97/120,611.03
  6. Step 6: Final answer
    x = 92,318.29

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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.