Home / 200,406.09-276,564.57-109,765.86

Finding the Fourth Proportional to 200,406.09, 276,564.57 and 109,765.86

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Solution

The fourth proportional to 200,406.09, 276,564.57 and 109,765.86 is: 151,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,406.09 : 276,564.57 = 109,765.86 : x
  2. Step 2: Convert to fraction form
    200,406.09/276,564.57 = 109,765.86/x
  3. Step 3: Cross multiply
    200,406.09x = 276,564.57 × 109,765.86
  4. Step 4: Simplify right side
    200,406.09x = 30,357,347,871.58
  5. Step 5: Solve for x
    x = 30,357,347,871.58/200,406.09
  6. Step 6: Final answer
    x = 151,479.17

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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.