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Finding the Fourth Proportional to 117,957.63, 176,935.37 and 47,820.27

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Solution

The fourth proportional to 117,957.63, 176,935.37 and 47,820.27 is: 71,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,957.63 : 176,935.37 = 47,820.27 : x
  2. Step 2: Convert to fraction form
    117,957.63/176,935.37 = 47,820.27/x
  3. Step 3: Cross multiply
    117,957.63x = 176,935.37 × 47,820.27
  4. Step 4: Simplify right side
    117,957.63x = 8,461,096,926.85
  5. Step 5: Solve for x
    x = 8,461,096,926.85/117,957.63
  6. Step 6: Final answer
    x = 71,729.97

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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.