Home / 201,933.28-302,935.95-67,005.44

Finding the Fourth Proportional to 201,933.28, 302,935.95 and 67,005.44

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Solution

The fourth proportional to 201,933.28, 302,935.95 and 67,005.44 is: 100,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,933.28 : 302,935.95 = 67,005.44 : x
  2. Step 2: Convert to fraction form
    201,933.28/302,935.95 = 67,005.44/x
  3. Step 3: Cross multiply
    201,933.28x = 302,935.95 × 67,005.44
  4. Step 4: Simplify right side
    201,933.28x = 20,298,356,621.57
  5. Step 5: Solve for x
    x = 20,298,356,621.57/201,933.28
  6. Step 6: Final answer
    x = 100,520.12

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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.