Home / 128,542.02-192,810.96-35,047.77

Finding the Fourth Proportional to 128,542.02, 192,810.96 and 35,047.77

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Solution

The fourth proportional to 128,542.02, 192,810.96 and 35,047.77 is: 52,571.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,542.02 : 192,810.96 = 35,047.77 : x
  2. Step 2: Convert to fraction form
    128,542.02/192,810.96 = 35,047.77/x
  3. Step 3: Cross multiply
    128,542.02x = 192,810.96 × 35,047.77
  4. Step 4: Simplify right side
    128,542.02x = 6,757,594,179.56
  5. Step 5: Solve for x
    x = 6,757,594,179.56/128,542.02
  6. Step 6: Final answer
    x = 52,571.09

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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.