Home / 131,989.86-182,098.26-86,692.41

Finding the Fourth Proportional to 131,989.86, 182,098.26 and 86,692.41

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Solution

The fourth proportional to 131,989.86, 182,098.26 and 86,692.41 is: 119,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,989.86 : 182,098.26 = 86,692.41 : x
  2. Step 2: Convert to fraction form
    131,989.86/182,098.26 = 86,692.41/x
  3. Step 3: Cross multiply
    131,989.86x = 182,098.26 × 86,692.41
  4. Step 4: Simplify right side
    131,989.86x = 15,786,537,016.21
  5. Step 5: Solve for x
    x = 15,786,537,016.21/131,989.86
  6. Step 6: Final answer
    x = 119,604.17

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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.