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Finding the Fourth Proportional to 201,687.53, 302,633.36 and 83,443.73

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Solution

The fourth proportional to 201,687.53, 302,633.36 and 83,443.73 is: 125,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,687.53 : 302,633.36 = 83,443.73 : x
  2. Step 2: Convert to fraction form
    201,687.53/302,633.36 = 83,443.73/x
  3. Step 3: Cross multiply
    201,687.53x = 302,633.36 × 83,443.73
  4. Step 4: Simplify right side
    201,687.53x = 25,252,855,963.61
  5. Step 5: Solve for x
    x = 25,252,855,963.61/201,687.53
  6. Step 6: Final answer
    x = 125,207.82

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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.