Home / 120,830.03-166,723.46-69,824.06

Finding the Fourth Proportional to 120,830.03, 166,723.46 and 69,824.06

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Solution

The fourth proportional to 120,830.03, 166,723.46 and 69,824.06 is: 96,344.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,830.03 : 166,723.46 = 69,824.06 : x
  2. Step 2: Convert to fraction form
    120,830.03/166,723.46 = 69,824.06/x
  3. Step 3: Cross multiply
    120,830.03x = 166,723.46 × 69,824.06
  4. Step 4: Simplify right side
    120,830.03x = 11,641,309,150.54
  5. Step 5: Solve for x
    x = 11,641,309,150.54/120,830.03
  6. Step 6: Final answer
    x = 96,344.50

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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.