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Finding the Fourth Proportional to 169,361.59, 254,042.83 and 57,120.65

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Solution

The fourth proportional to 169,361.59, 254,042.83 and 57,120.65 is: 85,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,361.59 : 254,042.83 = 57,120.65 : x
  2. Step 2: Convert to fraction form
    169,361.59/254,042.83 = 57,120.65/x
  3. Step 3: Cross multiply
    169,361.59x = 254,042.83 × 57,120.65
  4. Step 4: Simplify right side
    169,361.59x = 14,511,091,577.44
  5. Step 5: Solve for x
    x = 14,511,091,577.44/169,361.59
  6. Step 6: Final answer
    x = 85,681.13

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1.5x scale

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.