Home / 129,538.36-194,185.86-45,246.52

Finding the Fourth Proportional to 129,538.36, 194,185.86 and 45,246.52

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Solution

The fourth proportional to 129,538.36, 194,185.86 and 45,246.52 is: 67,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,538.36 : 194,185.86 = 45,246.52 : x
  2. Step 2: Convert to fraction form
    129,538.36/194,185.86 = 45,246.52/x
  3. Step 3: Cross multiply
    129,538.36x = 194,185.86 × 45,246.52
  4. Step 4: Simplify right side
    129,538.36x = 8,786,234,398.21
  5. Step 5: Solve for x
    x = 8,786,234,398.21/129,538.36
  6. Step 6: Final answer
    x = 67,827.28

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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.