Home / 130,285.65-195,315.99-50,379.56

Finding the Fourth Proportional to 130,285.65, 195,315.99 and 50,379.56

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Solution

The fourth proportional to 130,285.65, 195,315.99 and 50,379.56 is: 75,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,285.65 : 195,315.99 = 50,379.56 : x
  2. Step 2: Convert to fraction form
    130,285.65/195,315.99 = 50,379.56/x
  3. Step 3: Cross multiply
    130,285.65x = 195,315.99 × 50,379.56
  4. Step 4: Simplify right side
    130,285.65x = 9,839,933,637.16
  5. Step 5: Solve for x
    x = 9,839,933,637.16/130,285.65
  6. Step 6: Final answer
    x = 75,525.84

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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.