Home / 200,639.57-301,005.45-67,516.27

Finding the Fourth Proportional to 200,639.57, 301,005.45 and 67,516.27

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Solution

The fourth proportional to 200,639.57, 301,005.45 and 67,516.27 is: 101,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,639.57 : 301,005.45 = 67,516.27 : x
  2. Step 2: Convert to fraction form
    200,639.57/301,005.45 = 67,516.27/x
  3. Step 3: Cross multiply
    200,639.57x = 301,005.45 × 67,516.27
  4. Step 4: Simplify right side
    200,639.57x = 20,322,765,233.67
  5. Step 5: Solve for x
    x = 20,322,765,233.67/200,639.57
  6. Step 6: Final answer
    x = 101,289.92

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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.