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Finding the Fourth Proportional to 63,147.52, 94,736.88 and 18,774.07

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Solution

The fourth proportional to 63,147.52, 94,736.88 and 18,774.07 is: 28,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,147.52 : 94,736.88 = 18,774.07 : x
  2. Step 2: Convert to fraction form
    63,147.52/94,736.88 = 18,774.07/x
  3. Step 3: Cross multiply
    63,147.52x = 94,736.88 × 18,774.07
  4. Step 4: Simplify right side
    63,147.52x = 1,778,596,816.70
  5. Step 5: Solve for x
    x = 1,778,596,816.70/63,147.52
  6. Step 6: Final answer
    x = 28,165.74

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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.