Home / 190,370.84-262,678.44-108,661.79

Finding the Fourth Proportional to 190,370.84, 262,678.44 and 108,661.79

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Solution

The fourth proportional to 190,370.84, 262,678.44 and 108,661.79 is: 149,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,370.84 : 262,678.44 = 108,661.79 : x
  2. Step 2: Convert to fraction form
    190,370.84/262,678.44 = 108,661.79/x
  3. Step 3: Cross multiply
    190,370.84x = 262,678.44 × 108,661.79
  4. Step 4: Simplify right side
    190,370.84x = 28,543,108,171.42
  5. Step 5: Solve for x
    x = 28,543,108,171.42/190,370.84
  6. Step 6: Final answer
    x = 149,934.25

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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.