Home / 149,950.17-225,036-71,064.63

Finding the Fourth Proportional to 149,950.17, 225,036 and 71,064.63

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Solution

The fourth proportional to 149,950.17, 225,036 and 71,064.63 is: 106,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,950.17 : 225,036 = 71,064.63 : x
  2. Step 2: Convert to fraction form
    149,950.17/225,036 = 71,064.63/x
  3. Step 3: Cross multiply
    149,950.17x = 225,036 × 71,064.63
  4. Step 4: Simplify right side
    149,950.17x = 15,992,100,076.68
  5. Step 5: Solve for x
    x = 15,992,100,076.68/149,950.17
  6. Step 6: Final answer
    x = 106,649.43

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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.