Home / 251,769.12-377,653.78-83,289.44

Finding the Fourth Proportional to 251,769.12, 377,653.78 and 83,289.44

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Solution

The fourth proportional to 251,769.12, 377,653.78 and 83,289.44 is: 124,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,769.12 : 377,653.78 = 83,289.44 : x
  2. Step 2: Convert to fraction form
    251,769.12/377,653.78 = 83,289.44/x
  3. Step 3: Cross multiply
    251,769.12x = 377,653.78 × 83,289.44
  4. Step 4: Simplify right side
    251,769.12x = 31,454,571,850.08
  5. Step 5: Solve for x
    x = 31,454,571,850.08/251,769.12
  6. Step 6: Final answer
    x = 124,934.19

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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.