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Finding the Fourth Proportional to 169,133.64, 253,739.66 and 49,193.43

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Solution

The fourth proportional to 169,133.64, 253,739.66 and 49,193.43 is: 73,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,133.64 : 253,739.66 = 49,193.43 : x
  2. Step 2: Convert to fraction form
    169,133.64/253,739.66 = 49,193.43/x
  3. Step 3: Cross multiply
    169,133.64x = 253,739.66 × 49,193.43
  4. Step 4: Simplify right side
    169,133.64x = 12,482,323,956.47
  5. Step 5: Solve for x
    x = 12,482,323,956.47/169,133.64
  6. Step 6: Final answer
    x = 73,801.55

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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.