Home / 125,914.88-188,803.24-49,936.48

Finding the Fourth Proportional to 125,914.88, 188,803.24 and 49,936.48

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Solution

The fourth proportional to 125,914.88, 188,803.24 and 49,936.48 is: 74,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,914.88 : 188,803.24 = 49,936.48 : x
  2. Step 2: Convert to fraction form
    125,914.88/188,803.24 = 49,936.48/x
  3. Step 3: Cross multiply
    125,914.88x = 188,803.24 × 49,936.48
  4. Step 4: Simplify right side
    125,914.88x = 9,428,169,218.20
  5. Step 5: Solve for x
    x = 9,428,169,218.20/125,914.88
  6. Step 6: Final answer
    x = 74,877.32

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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.