Home / 203,422.24-305,136.28-63,172

Finding the Fourth Proportional to 203,422.24, 305,136.28 and 63,172

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Solution

The fourth proportional to 203,422.24, 305,136.28 and 63,172 is: 94,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,422.24 : 305,136.28 = 63,172 : x
  2. Step 2: Convert to fraction form
    203,422.24/305,136.28 = 63,172/x
  3. Step 3: Cross multiply
    203,422.24x = 305,136.28 × 63,172
  4. Step 4: Simplify right side
    203,422.24x = 19,276,069,080.16
  5. Step 5: Solve for x
    x = 19,276,069,080.16/203,422.24
  6. Step 6: Final answer
    x = 94,758.91

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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.