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Finding the Fourth Proportional to 116,129.70, 174,198.20 and 41,248.64

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Solution

The fourth proportional to 116,129.70, 174,198.20 and 41,248.64 is: 61,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,129.70 : 174,198.20 = 41,248.64 : x
  2. Step 2: Convert to fraction form
    116,129.70/174,198.20 = 41,248.64/x
  3. Step 3: Cross multiply
    116,129.70x = 174,198.20 × 41,248.64
  4. Step 4: Simplify right side
    116,129.70x = 7,185,439,069.70
  5. Step 5: Solve for x
    x = 7,185,439,069.70/116,129.70
  6. Step 6: Final answer
    x = 61,874.26

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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.