Home / 190,115.30-262,387.24-109,527.50

Finding the Fourth Proportional to 190,115.30, 262,387.24 and 109,527.50

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Solution

The fourth proportional to 190,115.30, 262,387.24 and 109,527.50 is: 151,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,115.30 : 262,387.24 = 109,527.50 : x
  2. Step 2: Convert to fraction form
    190,115.30/262,387.24 = 109,527.50/x
  3. Step 3: Cross multiply
    190,115.30x = 262,387.24 × 109,527.50
  4. Step 4: Simplify right side
    190,115.30x = 28,738,616,843.35
  5. Step 5: Solve for x
    x = 28,738,616,843.35/190,115.30
  6. Step 6: Final answer
    x = 151,164.15

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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.