Home / 200,965.28-301,237.08-67,799.60

Finding the Fourth Proportional to 200,965.28, 301,237.08 and 67,799.60

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Solution

The fourth proportional to 200,965.28, 301,237.08 and 67,799.60 is: 101,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,965.28 : 301,237.08 = 67,799.60 : x
  2. Step 2: Convert to fraction form
    200,965.28/301,237.08 = 67,799.60/x
  3. Step 3: Cross multiply
    200,965.28x = 301,237.08 × 67,799.60
  4. Step 4: Simplify right side
    200,965.28x = 20,423,753,529.17
  5. Step 5: Solve for x
    x = 20,423,753,529.17/200,965.28
  6. Step 6: Final answer
    x = 101,628.27

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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.