Home / 128,302.96-192,405.24-44,047.44

Finding the Fourth Proportional to 128,302.96, 192,405.24 and 44,047.44

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Solution

The fourth proportional to 128,302.96, 192,405.24 and 44,047.44 is: 66,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,302.96 : 192,405.24 = 44,047.44 : x
  2. Step 2: Convert to fraction form
    128,302.96/192,405.24 = 44,047.44/x
  3. Step 3: Cross multiply
    128,302.96x = 192,405.24 × 44,047.44
  4. Step 4: Simplify right side
    128,302.96x = 8,474,958,264.59
  5. Step 5: Solve for x
    x = 8,474,958,264.59/128,302.96
  6. Step 6: Final answer
    x = 66,054.27

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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.