Home / 187,692.29-259,015.47-102,810.77

Finding the Fourth Proportional to 187,692.29, 259,015.47 and 102,810.77

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Solution

The fourth proportional to 187,692.29, 259,015.47 and 102,810.77 is: 141,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,692.29 : 259,015.47 = 102,810.77 : x
  2. Step 2: Convert to fraction form
    187,692.29/259,015.47 = 102,810.77/x
  3. Step 3: Cross multiply
    187,692.29x = 259,015.47 × 102,810.77
  4. Step 4: Simplify right side
    187,692.29x = 26,629,579,912.61
  5. Step 5: Solve for x
    x = 26,629,579,912.61/187,692.29
  6. Step 6: Final answer
    x = 141,878.92

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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.