Home / 129,837.44-194,777.68-45,575.73

Finding the Fourth Proportional to 129,837.44, 194,777.68 and 45,575.73

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Solution

The fourth proportional to 129,837.44, 194,777.68 and 45,575.73 is: 68,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,837.44 : 194,777.68 = 45,575.73 : x
  2. Step 2: Convert to fraction form
    129,837.44/194,777.68 = 45,575.73/x
  3. Step 3: Cross multiply
    129,837.44x = 194,777.68 × 45,575.73
  4. Step 4: Simplify right side
    129,837.44x = 8,877,134,953.71
  5. Step 5: Solve for x
    x = 8,877,134,953.71/129,837.44
  6. Step 6: Final answer
    x = 68,371.15

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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.