Home / 190,167.90-262,449.31-105,284.96

Finding the Fourth Proportional to 190,167.90, 262,449.31 and 105,284.96

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Solution

The fourth proportional to 190,167.90, 262,449.31 and 105,284.96 is: 145,302.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,167.90 : 262,449.31 = 105,284.96 : x
  2. Step 2: Convert to fraction form
    190,167.90/262,449.31 = 105,284.96/x
  3. Step 3: Cross multiply
    190,167.90x = 262,449.31 × 105,284.96
  4. Step 4: Simplify right side
    190,167.90x = 27,631,965,235.08
  5. Step 5: Solve for x
    x = 27,631,965,235.08/190,167.90
  6. Step 6: Final answer
    x = 145,302.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.