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Finding the Fourth Proportional to 169,627.42, 254,441.16 and 57,307.96

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Solution

The fourth proportional to 169,627.42, 254,441.16 and 57,307.96 is: 85,961.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,627.42 : 254,441.16 = 57,307.96 : x
  2. Step 2: Convert to fraction form
    169,627.42/254,441.16 = 57,307.96/x
  3. Step 3: Cross multiply
    169,627.42x = 254,441.16 × 57,307.96
  4. Step 4: Simplify right side
    169,627.42x = 14,581,503,819.63
  5. Step 5: Solve for x
    x = 14,581,503,819.63/169,627.42
  6. Step 6: Final answer
    x = 85,961.95

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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.