Home / 125,160.87-187,720.53-45,183.50

Finding the Fourth Proportional to 125,160.87, 187,720.53 and 45,183.50

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Solution

The fourth proportional to 125,160.87, 187,720.53 and 45,183.50 is: 67,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,160.87 : 187,720.53 = 45,183.50 : x
  2. Step 2: Convert to fraction form
    125,160.87/187,720.53 = 45,183.50/x
  3. Step 3: Cross multiply
    125,160.87x = 187,720.53 × 45,183.50
  4. Step 4: Simplify right side
    125,160.87x = 8,481,870,163.17
  5. Step 5: Solve for x
    x = 8,481,870,163.17/125,160.87
  6. Step 6: Final answer
    x = 67,767.74

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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.