Home / 187,697.29-259,022.37-102,815.77

Finding the Fourth Proportional to 187,697.29, 259,022.37 and 102,815.77

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Solution

The fourth proportional to 187,697.29, 259,022.37 and 102,815.77 is: 141,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,697.29 : 259,022.37 = 102,815.77 : x
  2. Step 2: Convert to fraction form
    187,697.29/259,022.37 = 102,815.77/x
  3. Step 3: Cross multiply
    187,697.29x = 259,022.37 × 102,815.77
  4. Step 4: Simplify right side
    187,697.29x = 26,631,584,418.77
  5. Step 5: Solve for x
    x = 26,631,584,418.77/187,697.29
  6. Step 6: Final answer
    x = 141,885.82

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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.