Home / 128,476.82-192,728.07-44,225.84

Finding the Fourth Proportional to 128,476.82, 192,728.07 and 44,225.84

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Solution

The fourth proportional to 128,476.82, 192,728.07 and 44,225.84 is: 66,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,476.82 : 192,728.07 = 44,225.84 : x
  2. Step 2: Convert to fraction form
    128,476.82/192,728.07 = 44,225.84/x
  3. Step 3: Cross multiply
    128,476.82x = 192,728.07 × 44,225.84
  4. Step 4: Simplify right side
    128,476.82x = 8,523,561,269.15
  5. Step 5: Solve for x
    x = 8,523,561,269.15/128,476.82
  6. Step 6: Final answer
    x = 66,343.18

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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.