Home / 117,996.35-162,835.26-64,281.76

Finding the Fourth Proportional to 117,996.35, 162,835.26 and 64,281.76

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Solution

The fourth proportional to 117,996.35, 162,835.26 and 64,281.76 is: 88,708.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,996.35 : 162,835.26 = 64,281.76 : x
  2. Step 2: Convert to fraction form
    117,996.35/162,835.26 = 64,281.76/x
  3. Step 3: Cross multiply
    117,996.35x = 162,835.26 × 64,281.76
  4. Step 4: Simplify right side
    117,996.35x = 10,467,336,288.68
  5. Step 5: Solve for x
    x = 10,467,336,288.68/117,996.35
  6. Step 6: Final answer
    x = 88,708.98

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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.