Home / 120,479.25-166,265.01-66,759.24

Finding the Fourth Proportional to 120,479.25, 166,265.01 and 66,759.24

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Solution

The fourth proportional to 120,479.25, 166,265.01 and 66,759.24 is: 92,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,479.25 : 166,265.01 = 66,759.24 : x
  2. Step 2: Convert to fraction form
    120,479.25/166,265.01 = 66,759.24/x
  3. Step 3: Cross multiply
    120,479.25x = 166,265.01 × 66,759.24
  4. Step 4: Simplify right side
    120,479.25x = 11,099,725,706.19
  5. Step 5: Solve for x
    x = 11,099,725,706.19/120,479.25
  6. Step 6: Final answer
    x = 92,129.77

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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.