Home / 182,100.42-251,172.90-120,835.26

Finding the Fourth Proportional to 182,100.42, 251,172.90 and 120,835.26

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Solution

The fourth proportional to 182,100.42, 251,172.90 and 120,835.26 is: 166,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,100.42 : 251,172.90 = 120,835.26 : x
  2. Step 2: Convert to fraction form
    182,100.42/251,172.90 = 120,835.26/x
  3. Step 3: Cross multiply
    182,100.42x = 251,172.90 × 120,835.26
  4. Step 4: Simplify right side
    182,100.42x = 30,350,542,676.45
  5. Step 5: Solve for x
    x = 30,350,542,676.45/182,100.42
  6. Step 6: Final answer
    x = 166,669.26

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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.