Home / 128,032.21-192,069.17-48,076.37

Finding the Fourth Proportional to 128,032.21, 192,069.17 and 48,076.37

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Solution

The fourth proportional to 128,032.21, 192,069.17 and 48,076.37 is: 72,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,032.21 : 192,069.17 = 48,076.37 : x
  2. Step 2: Convert to fraction form
    128,032.21/192,069.17 = 48,076.37/x
  3. Step 3: Cross multiply
    128,032.21x = 192,069.17 × 48,076.37
  4. Step 4: Simplify right side
    128,032.21x = 9,233,987,642.36
  5. Step 5: Solve for x
    x = 9,233,987,642.36/128,032.21
  6. Step 6: Final answer
    x = 72,122.38

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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.