Home / 136,712.67-188,676.53-82,985.37

Finding the Fourth Proportional to 136,712.67, 188,676.53 and 82,985.37

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Solution

The fourth proportional to 136,712.67, 188,676.53 and 82,985.37 is: 114,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,712.67 : 188,676.53 = 82,985.37 : x
  2. Step 2: Convert to fraction form
    136,712.67/188,676.53 = 82,985.37/x
  3. Step 3: Cross multiply
    136,712.67x = 188,676.53 × 82,985.37
  4. Step 4: Simplify right side
    136,712.67x = 15,657,391,652.37
  5. Step 5: Solve for x
    x = 15,657,391,652.37/136,712.67
  6. Step 6: Final answer
    x = 114,527.73

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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.