Home / 187,761.75-259,117.29-102,884.28

Finding the Fourth Proportional to 187,761.75, 259,117.29 and 102,884.28

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Solution

The fourth proportional to 187,761.75, 259,117.29 and 102,884.28 is: 141,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,761.75 : 259,117.29 = 102,884.28 : x
  2. Step 2: Convert to fraction form
    187,761.75/259,117.29 = 102,884.28/x
  3. Step 3: Cross multiply
    187,761.75x = 259,117.29 × 102,884.28
  4. Step 4: Simplify right side
    187,761.75x = 26,659,095,817.20
  5. Step 5: Solve for x
    x = 26,659,095,817.20/187,761.75
  6. Step 6: Final answer
    x = 141,983.64

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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.