Home / 131,090.49-196,402.41-55,021.77

Finding the Fourth Proportional to 131,090.49, 196,402.41 and 55,021.77

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Solution

The fourth proportional to 131,090.49, 196,402.41 and 55,021.77 is: 82,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,090.49 : 196,402.41 = 55,021.77 : x
  2. Step 2: Convert to fraction form
    131,090.49/196,402.41 = 55,021.77/x
  3. Step 3: Cross multiply
    131,090.49x = 196,402.41 × 55,021.77
  4. Step 4: Simplify right side
    131,090.49x = 10,806,408,230.47
  5. Step 5: Solve for x
    x = 10,806,408,230.47/131,090.49
  6. Step 6: Final answer
    x = 82,434.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.