Home / 129,082.46-193,503.31-43,633.86

Finding the Fourth Proportional to 129,082.46, 193,503.31 and 43,633.86

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Solution

The fourth proportional to 129,082.46, 193,503.31 and 43,633.86 is: 65,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,082.46 : 193,503.31 = 43,633.86 : x
  2. Step 2: Convert to fraction form
    129,082.46/193,503.31 = 43,633.86/x
  3. Step 3: Cross multiply
    129,082.46x = 193,503.31 × 43,633.86
  4. Step 4: Simplify right side
    129,082.46x = 8,443,296,338.08
  5. Step 5: Solve for x
    x = 8,443,296,338.08/129,082.46
  6. Step 6: Final answer
    x = 65,410.10

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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.