Home / 128,231.16-192,322.58-34,724.60

Finding the Fourth Proportional to 128,231.16, 192,322.58 and 34,724.60

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Solution

The fourth proportional to 128,231.16, 192,322.58 and 34,724.60 is: 52,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,231.16 : 192,322.58 = 34,724.60 : x
  2. Step 2: Convert to fraction form
    128,231.16/192,322.58 = 34,724.60/x
  3. Step 3: Cross multiply
    128,231.16x = 192,322.58 × 34,724.60
  4. Step 4: Simplify right side
    128,231.16x = 6,678,324,661.47
  5. Step 5: Solve for x
    x = 6,678,324,661.47/128,231.16
  6. Step 6: Final answer
    x = 52,080.36

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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.