Home / 117,853.24-162,697.64-79,813.84

Finding the Fourth Proportional to 117,853.24, 162,697.64 and 79,813.84

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Solution

The fourth proportional to 117,853.24, 162,697.64 and 79,813.84 is: 110,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,853.24 : 162,697.64 = 79,813.84 : x
  2. Step 2: Convert to fraction form
    117,853.24/162,697.64 = 79,813.84/x
  3. Step 3: Cross multiply
    117,853.24x = 162,697.64 × 79,813.84
  4. Step 4: Simplify right side
    117,853.24x = 12,985,523,407.34
  5. Step 5: Solve for x
    x = 12,985,523,407.34/117,853.24
  6. Step 6: Final answer
    x = 110,183.85

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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.