Home / 125,133.44-187,760.96-55,003.68

Finding the Fourth Proportional to 125,133.44, 187,760.96 and 55,003.68

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Solution

The fourth proportional to 125,133.44, 187,760.96 and 55,003.68 is: 82,532.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,133.44 : 187,760.96 = 55,003.68 : x
  2. Step 2: Convert to fraction form
    125,133.44/187,760.96 = 55,003.68/x
  3. Step 3: Cross multiply
    125,133.44x = 187,760.96 × 55,003.68
  4. Step 4: Simplify right side
    125,133.44x = 10,327,543,760.33
  5. Step 5: Solve for x
    x = 10,327,543,760.33/125,133.44
  6. Step 6: Final answer
    x = 82,532.25

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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.