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Finding the Fourth Proportional to 169,367.59, 254,051.84 and 57,126.63

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Solution

The fourth proportional to 169,367.59, 254,051.84 and 57,126.63 is: 85,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,367.59 : 254,051.84 = 57,126.63 : x
  2. Step 2: Convert to fraction form
    169,367.59/254,051.84 = 57,126.63/x
  3. Step 3: Cross multiply
    169,367.59x = 254,051.84 × 57,126.63
  4. Step 4: Simplify right side
    169,367.59x = 14,513,125,464.50
  5. Step 5: Solve for x
    x = 14,513,125,464.50/169,367.59
  6. Step 6: Final answer
    x = 85,690.10

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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.