Home / 149,986.50-225,090.28-71,100.42

Finding the Fourth Proportional to 149,986.50, 225,090.28 and 71,100.42

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Solution

The fourth proportional to 149,986.50, 225,090.28 and 71,100.42 is: 106,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,986.50 : 225,090.28 = 71,100.42 : x
  2. Step 2: Convert to fraction form
    149,986.50/225,090.28 = 71,100.42/x
  3. Step 3: Cross multiply
    149,986.50x = 225,090.28 × 71,100.42
  4. Step 4: Simplify right side
    149,986.50x = 16,004,013,445.92
  5. Step 5: Solve for x
    x = 16,004,013,445.92/149,986.50
  6. Step 6: Final answer
    x = 106,703.03

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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.