Home / 129,431.66-194,068.22-50,453.63

Finding the Fourth Proportional to 129,431.66, 194,068.22 and 50,453.63

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Solution

The fourth proportional to 129,431.66, 194,068.22 and 50,453.63 is: 75,649.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,431.66 : 194,068.22 = 50,453.63 : x
  2. Step 2: Convert to fraction form
    129,431.66/194,068.22 = 50,453.63/x
  3. Step 3: Cross multiply
    129,431.66x = 194,068.22 × 50,453.63
  4. Step 4: Simplify right side
    129,431.66x = 9,791,444,944.03
  5. Step 5: Solve for x
    x = 9,791,444,944.03/129,431.66
  6. Step 6: Final answer
    x = 75,649.53

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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.