Home / 130,284.65-195,314.49-50,378.56

Finding the Fourth Proportional to 130,284.65, 195,314.49 and 50,378.56

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Solution

The fourth proportional to 130,284.65, 195,314.49 and 50,378.56 is: 75,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,284.65 : 195,314.49 = 50,378.56 : x
  2. Step 2: Convert to fraction form
    130,284.65/195,314.49 = 50,378.56/x
  3. Step 3: Cross multiply
    130,284.65x = 195,314.49 × 50,378.56
  4. Step 4: Simplify right side
    130,284.65x = 9,839,662,265.05
  5. Step 5: Solve for x
    x = 9,839,662,265.05/130,284.65
  6. Step 6: Final answer
    x = 75,524.34

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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.