Home / 129,836.99-194,777.02-45,575.30

Finding the Fourth Proportional to 129,836.99, 194,777.02 and 45,575.30

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Solution

The fourth proportional to 129,836.99, 194,777.02 and 45,575.30 is: 68,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,836.99 : 194,777.02 = 45,575.30 : x
  2. Step 2: Convert to fraction form
    129,836.99/194,777.02 = 45,575.30/x
  3. Step 3: Cross multiply
    129,836.99x = 194,777.02 × 45,575.30
  4. Step 4: Simplify right side
    129,836.99x = 8,877,021,663.52
  5. Step 5: Solve for x
    x = 8,877,021,663.52/129,836.99
  6. Step 6: Final answer
    x = 68,370.51

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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.