Home / 200,320.75-276,443.45-109,685.13

Finding the Fourth Proportional to 200,320.75, 276,443.45 and 109,685.13

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Solution

The fourth proportional to 200,320.75, 276,443.45 and 109,685.13 is: 151,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,320.75 : 276,443.45 = 109,685.13 : x
  2. Step 2: Convert to fraction form
    200,320.75/276,443.45 = 109,685.13/x
  3. Step 3: Cross multiply
    200,320.75x = 276,443.45 × 109,685.13
  4. Step 4: Simplify right side
    200,320.75x = 30,321,735,750.90
  5. Step 5: Solve for x
    x = 30,321,735,750.90/200,320.75
  6. Step 6: Final answer
    x = 151,365.93

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1.5x scale

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.