Home / 129,374.82-194,000.77-45,124.75

Finding the Fourth Proportional to 129,374.82, 194,000.77 and 45,124.75

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Solution

The fourth proportional to 129,374.82, 194,000.77 and 45,124.75 is: 67,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,374.82 : 194,000.77 = 45,124.75 : x
  2. Step 2: Convert to fraction form
    129,374.82/194,000.77 = 45,124.75/x
  3. Step 3: Cross multiply
    129,374.82x = 194,000.77 × 45,124.75
  4. Step 4: Simplify right side
    129,374.82x = 8,754,235,453.71
  5. Step 5: Solve for x
    x = 8,754,235,453.71/129,374.82
  6. Step 6: Final answer
    x = 67,665.68

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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.