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Finding the Fourth Proportional to 168,878.64, 253,386 and 63,727.68

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Solution

The fourth proportional to 168,878.64, 253,386 and 63,727.68 is: 95,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,878.64 : 253,386 = 63,727.68 : x
  2. Step 2: Convert to fraction form
    168,878.64/253,386 = 63,727.68/x
  3. Step 3: Cross multiply
    168,878.64x = 253,386 × 63,727.68
  4. Step 4: Simplify right side
    168,878.64x = 16,147,701,924.48
  5. Step 5: Solve for x
    x = 16,147,701,924.48/168,878.64
  6. Step 6: Final answer
    x = 95,617.20

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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.