Home / 190,313.56-262,660.67-109,725.31

Finding the Fourth Proportional to 190,313.56, 262,660.67 and 109,725.31

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Solution

The fourth proportional to 190,313.56, 262,660.67 and 109,725.31 is: 151,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,313.56 : 262,660.67 = 109,725.31 : x
  2. Step 2: Convert to fraction form
    190,313.56/262,660.67 = 109,725.31/x
  3. Step 3: Cross multiply
    190,313.56x = 262,660.67 × 109,725.31
  4. Step 4: Simplify right side
    190,313.56x = 28,820,523,440.56
  5. Step 5: Solve for x
    x = 28,820,523,440.56/190,313.56
  6. Step 6: Final answer
    x = 151,437.05

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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.