Home / 142,613.14-196,813.38-82,193.62

Finding the Fourth Proportional to 142,613.14, 196,813.38 and 82,193.62

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Solution

The fourth proportional to 142,613.14, 196,813.38 and 82,193.62 is: 113,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,613.14 : 196,813.38 = 82,193.62 : x
  2. Step 2: Convert to fraction form
    142,613.14/196,813.38 = 82,193.62/x
  3. Step 3: Cross multiply
    142,613.14x = 196,813.38 × 82,193.62
  4. Step 4: Simplify right side
    142,613.14x = 16,176,804,166.64
  5. Step 5: Solve for x
    x = 16,176,804,166.64/142,613.14
  6. Step 6: Final answer
    x = 113,431.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.