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Finding the Fourth Proportional to 169,919.96, 254,863.44 and 51,592.32

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Solution

The fourth proportional to 169,919.96, 254,863.44 and 51,592.32 is: 77,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,919.96 : 254,863.44 = 51,592.32 : x
  2. Step 2: Convert to fraction form
    169,919.96/254,863.44 = 51,592.32/x
  3. Step 3: Cross multiply
    169,919.96x = 254,863.44 × 51,592.32
  4. Step 4: Simplify right side
    169,919.96x = 13,148,996,152.78
  5. Step 5: Solve for x
    x = 13,148,996,152.78/169,919.96
  6. Step 6: Final answer
    x = 77,383.47

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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.