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Finding the Fourth Proportional to 114,178.08, 171,080.13 and 60,813.42

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Solution

The fourth proportional to 114,178.08, 171,080.13 and 60,813.42 is: 91,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,178.08 : 171,080.13 = 60,813.42 : x
  2. Step 2: Convert to fraction form
    114,178.08/171,080.13 = 60,813.42/x
  3. Step 3: Cross multiply
    114,178.08x = 171,080.13 × 60,813.42
  4. Step 4: Simplify right side
    114,178.08x = 10,403,967,799.34
  5. Step 5: Solve for x
    x = 10,403,967,799.34/114,178.08
  6. Step 6: Final answer
    x = 91,120.54

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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.