Home / 120,501.53-166,289.54-66,786.06

Finding the Fourth Proportional to 120,501.53, 166,289.54 and 66,786.06

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Solution

The fourth proportional to 120,501.53, 166,289.54 and 66,786.06 is: 92,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,501.53 : 166,289.54 = 66,786.06 : x
  2. Step 2: Convert to fraction form
    120,501.53/166,289.54 = 66,786.06/x
  3. Step 3: Cross multiply
    120,501.53x = 166,289.54 × 66,786.06
  4. Step 4: Simplify right side
    120,501.53x = 11,105,822,861.88
  5. Step 5: Solve for x
    x = 11,105,822,861.88/120,501.53
  6. Step 6: Final answer
    x = 92,163.34

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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.