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Finding the Fourth Proportional to 146,657.39, 202,387.20 and 79,589.39

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Solution

The fourth proportional to 146,657.39, 202,387.20 and 79,589.39 is: 109,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,657.39 : 202,387.20 = 79,589.39 : x
  2. Step 2: Convert to fraction form
    146,657.39/202,387.20 = 79,589.39/x
  3. Step 3: Cross multiply
    146,657.39x = 202,387.20 × 79,589.39
  4. Step 4: Simplify right side
    146,657.39x = 16,107,873,918.30
  5. Step 5: Solve for x
    x = 16,107,873,918.30/146,657.39
  6. Step 6: Final answer
    x = 109,833.36

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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.