Home / 150,239.54-225,344.64-39,431.54

Finding the Fourth Proportional to 150,239.54, 225,344.64 and 39,431.54

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Solution

The fourth proportional to 150,239.54, 225,344.64 and 39,431.54 is: 59,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,239.54 : 225,344.64 = 39,431.54 : x
  2. Step 2: Convert to fraction form
    150,239.54/225,344.64 = 39,431.54/x
  3. Step 3: Cross multiply
    150,239.54x = 225,344.64 × 39,431.54
  4. Step 4: Simplify right side
    150,239.54x = 8,885,686,185.95
  5. Step 5: Solve for x
    x = 8,885,686,185.95/150,239.54
  6. Step 6: Final answer
    x = 59,143.46

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1.5x scale

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.