Home / 76,143.08-114,214.26-50,789

Finding the Fourth Proportional to 76,143.08, 114,214.26 and 50,789

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Solution

The fourth proportional to 76,143.08, 114,214.26 and 50,789 is: 76,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,143.08 : 114,214.26 = 50,789 : x
  2. Step 2: Convert to fraction form
    76,143.08/114,214.26 = 50,789/x
  3. Step 3: Cross multiply
    76,143.08x = 114,214.26 × 50,789
  4. Step 4: Simplify right side
    76,143.08x = 5,800,828,051.14
  5. Step 5: Solve for x
    x = 5,800,828,051.14/76,143.08
  6. Step 6: Final answer
    x = 76,183.26

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1.5x scale

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.