Home / 187,688.68-259,010.44-102,808.80

Finding the Fourth Proportional to 187,688.68, 259,010.44 and 102,808.80

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Solution

The fourth proportional to 187,688.68, 259,010.44 and 102,808.80 is: 141,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,688.68 : 259,010.44 = 102,808.80 : x
  2. Step 2: Convert to fraction form
    187,688.68/259,010.44 = 102,808.80/x
  3. Step 3: Cross multiply
    187,688.68x = 259,010.44 × 102,808.80
  4. Step 4: Simplify right side
    187,688.68x = 26,628,552,523.87
  5. Step 5: Solve for x
    x = 26,628,552,523.87/187,688.68
  6. Step 6: Final answer
    x = 141,876.18

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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.