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Finding the Fourth Proportional to 146,654.82, 202,383.63 and 79,586.82

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Solution

The fourth proportional to 146,654.82, 202,383.63 and 79,586.82 is: 109,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,654.82 : 202,383.63 = 79,586.82 : x
  2. Step 2: Convert to fraction form
    146,654.82/202,383.63 = 79,586.82/x
  3. Step 3: Cross multiply
    146,654.82x = 202,383.63 × 79,586.82
  4. Step 4: Simplify right side
    146,654.82x = 16,107,069,531.76
  5. Step 5: Solve for x
    x = 16,107,069,531.76/146,654.82
  6. Step 6: Final answer
    x = 109,829.80

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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.