Home / 190,979.30-286,563.99-144,517.22

Finding the Fourth Proportional to 190,979.30, 286,563.99 and 144,517.22

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Solution

The fourth proportional to 190,979.30, 286,563.99 and 144,517.22 is: 216,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,979.30 : 286,563.99 = 144,517.22 : x
  2. Step 2: Convert to fraction form
    190,979.30/286,563.99 = 144,517.22/x
  3. Step 3: Cross multiply
    190,979.30x = 286,563.99 × 144,517.22
  4. Step 4: Simplify right side
    190,979.30x = 41,413,431,186.91
  5. Step 5: Solve for x
    x = 41,413,431,186.91/190,979.30
  6. Step 6: Final answer
    x = 216,847.75

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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.