Home / 187,836.28-259,240.64-116,239.37

Finding the Fourth Proportional to 187,836.28, 259,240.64 and 116,239.37

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Solution

The fourth proportional to 187,836.28, 259,240.64 and 116,239.37 is: 160,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,836.28 : 259,240.64 = 116,239.37 : x
  2. Step 2: Convert to fraction form
    187,836.28/259,240.64 = 116,239.37/x
  3. Step 3: Cross multiply
    187,836.28x = 259,240.64 × 116,239.37
  4. Step 4: Simplify right side
    187,836.28x = 30,133,966,794.60
  5. Step 5: Solve for x
    x = 30,133,966,794.60/187,836.28
  6. Step 6: Final answer
    x = 160,426.77

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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.