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Finding the Fourth Proportional to 146,306.60, 201,903.11 and 79,238.60

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Solution

The fourth proportional to 146,306.60, 201,903.11 and 79,238.60 is: 109,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,306.60 : 201,903.11 = 79,238.60 : x
  2. Step 2: Convert to fraction form
    146,306.60/201,903.11 = 79,238.60/x
  3. Step 3: Cross multiply
    146,306.60x = 201,903.11 × 79,238.60
  4. Step 4: Simplify right side
    146,306.60x = 15,998,519,375.85
  5. Step 5: Solve for x
    x = 15,998,519,375.85/146,306.60
  6. Step 6: Final answer
    x = 109,349.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.