Home / 150,090.77-225,136.16-71,161.94

Finding the Fourth Proportional to 150,090.77, 225,136.16 and 71,161.94

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Solution

The fourth proportional to 150,090.77, 225,136.16 and 71,161.94 is: 106,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,090.77 : 225,136.16 = 71,161.94 : x
  2. Step 2: Convert to fraction form
    150,090.77/225,136.16 = 71,161.94/x
  3. Step 3: Cross multiply
    150,090.77x = 225,136.16 × 71,161.94
  4. Step 4: Simplify right side
    150,090.77x = 16,021,126,383.64
  5. Step 5: Solve for x
    x = 16,021,126,383.64/150,090.77
  6. Step 6: Final answer
    x = 106,742.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.