Home / 114,256.10-171,419.16-51,129.36

Finding the Fourth Proportional to 114,256.10, 171,419.16 and 51,129.36

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Solution

The fourth proportional to 114,256.10, 171,419.16 and 51,129.36 is: 76,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,256.10 : 171,419.16 = 51,129.36 : x
  2. Step 2: Convert to fraction form
    114,256.10/171,419.16 = 51,129.36/x
  3. Step 3: Cross multiply
    114,256.10x = 171,419.16 × 51,129.36
  4. Step 4: Simplify right side
    114,256.10x = 8,764,551,942.54
  5. Step 5: Solve for x
    x = 8,764,551,942.54/114,256.10
  6. Step 6: Final answer
    x = 76,709.71

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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.