Home / 128,040.33-192,081.23-48,084.53

Finding the Fourth Proportional to 128,040.33, 192,081.23 and 48,084.53

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Solution

The fourth proportional to 128,040.33, 192,081.23 and 48,084.53 is: 72,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,040.33 : 192,081.23 = 48,084.53 : x
  2. Step 2: Convert to fraction form
    128,040.33/192,081.23 = 48,084.53/x
  3. Step 3: Cross multiply
    128,040.33x = 192,081.23 × 48,084.53
  4. Step 4: Simplify right side
    128,040.33x = 9,236,134,465.54
  5. Step 5: Solve for x
    x = 9,236,134,465.54/128,040.33
  6. Step 6: Final answer
    x = 72,134.57

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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.