Home / 190,139.88-284,799.77-178,960.92

Finding the Fourth Proportional to 190,139.88, 284,799.77 and 178,960.92

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Solution

The fourth proportional to 190,139.88, 284,799.77 and 178,960.92 is: 268,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,139.88 : 284,799.77 = 178,960.92 : x
  2. Step 2: Convert to fraction form
    190,139.88/284,799.77 = 178,960.92/x
  3. Step 3: Cross multiply
    190,139.88x = 284,799.77 × 178,960.92
  4. Step 4: Simplify right side
    190,139.88x = 50,968,027,960.18
  5. Step 5: Solve for x
    x = 50,968,027,960.18/190,139.88
  6. Step 6: Final answer
    x = 268,055.43

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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.