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Finding the Fourth Proportional to 168,798.44, 253,159.99 and 50,454.40

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Solution

The fourth proportional to 168,798.44, 253,159.99 and 50,454.40 is: 75,670.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,798.44 : 253,159.99 = 50,454.40 : x
  2. Step 2: Convert to fraction form
    168,798.44/253,159.99 = 50,454.40/x
  3. Step 3: Cross multiply
    168,798.44x = 253,159.99 × 50,454.40
  4. Step 4: Simplify right side
    168,798.44x = 12,773,035,399.46
  5. Step 5: Solve for x
    x = 12,773,035,399.46/168,798.44
  6. Step 6: Final answer
    x = 75,670.34

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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.