Home / 187,877.20-259,269-102,994.06

Finding the Fourth Proportional to 187,877.20, 259,269 and 102,994.06

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Solution

The fourth proportional to 187,877.20, 259,269 and 102,994.06 is: 142,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,877.20 : 259,269 = 102,994.06 : x
  2. Step 2: Convert to fraction form
    187,877.20/259,269 = 102,994.06/x
  3. Step 3: Cross multiply
    187,877.20x = 259,269 × 102,994.06
  4. Step 4: Simplify right side
    187,877.20x = 26,703,166,942.14
  5. Step 5: Solve for x
    x = 26,703,166,942.14/187,877.20
  6. Step 6: Final answer
    x = 142,130.96

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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.