Home / 187,982.64-259,419.60-103,104

Finding the Fourth Proportional to 187,982.64, 259,419.60 and 103,104

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Solution

The fourth proportional to 187,982.64, 259,419.60 and 103,104 is: 142,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,982.64 : 259,419.60 = 103,104 : x
  2. Step 2: Convert to fraction form
    187,982.64/259,419.60 = 103,104/x
  3. Step 3: Cross multiply
    187,982.64x = 259,419.60 × 103,104
  4. Step 4: Simplify right side
    187,982.64x = 26,747,198,438.40
  5. Step 5: Solve for x
    x = 26,747,198,438.40/187,982.64
  6. Step 6: Final answer
    x = 142,285.47

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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.