Home / 145,166.94-217,546.20-115,452.90

Finding the Fourth Proportional to 145,166.94, 217,546.20 and 115,452.90

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Solution

The fourth proportional to 145,166.94, 217,546.20 and 115,452.90 is: 173,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,166.94 : 217,546.20 = 115,452.90 : x
  2. Step 2: Convert to fraction form
    145,166.94/217,546.20 = 115,452.90/x
  3. Step 3: Cross multiply
    145,166.94x = 217,546.20 × 115,452.90
  4. Step 4: Simplify right side
    145,166.94x = 25,116,339,673.98
  5. Step 5: Solve for x
    x = 25,116,339,673.98/145,166.94
  6. Step 6: Final answer
    x = 173,016.94

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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.