Home / 114,629.32-171,691.26-89,629.48

Finding the Fourth Proportional to 114,629.32, 171,691.26 and 89,629.48

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Solution

The fourth proportional to 114,629.32, 171,691.26 and 89,629.48 is: 134,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,629.32 : 171,691.26 = 89,629.48 : x
  2. Step 2: Convert to fraction form
    114,629.32/171,691.26 = 89,629.48/x
  3. Step 3: Cross multiply
    114,629.32x = 171,691.26 × 89,629.48
  4. Step 4: Simplify right side
    114,629.32x = 15,388,598,354.34
  5. Step 5: Solve for x
    x = 15,388,598,354.34/114,629.32
  6. Step 6: Final answer
    x = 134,246.62

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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.