Home / 190,425.87-285,327.15-115,568.96

Finding the Fourth Proportional to 190,425.87, 285,327.15 and 115,568.96

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Solution

The fourth proportional to 190,425.87, 285,327.15 and 115,568.96 is: 173,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,425.87 : 285,327.15 = 115,568.96 : x
  2. Step 2: Convert to fraction form
    190,425.87/285,327.15 = 115,568.96/x
  3. Step 3: Cross multiply
    190,425.87x = 285,327.15 × 115,568.96
  4. Step 4: Simplify right side
    190,425.87x = 32,974,960,558.63
  5. Step 5: Solve for x
    x = 32,974,960,558.63/190,425.87
  6. Step 6: Final answer
    x = 173,164.29

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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.