Home / 128,429.26-192,655.23-33,659.26

Finding the Fourth Proportional to 128,429.26, 192,655.23 and 33,659.26

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Solution

The fourth proportional to 128,429.26, 192,655.23 and 33,659.26 is: 50,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,429.26 : 192,655.23 = 33,659.26 : x
  2. Step 2: Convert to fraction form
    128,429.26/192,655.23 = 33,659.26/x
  3. Step 3: Cross multiply
    128,429.26x = 192,655.23 × 33,659.26
  4. Step 4: Simplify right side
    128,429.26x = 6,484,632,476.93
  5. Step 5: Solve for x
    x = 6,484,632,476.93/128,429.26
  6. Step 6: Final answer
    x = 50,491.86

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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.