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Finding the Fourth Proportional to 159,160.94, 238,421.05 and 73,651.27

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Solution

The fourth proportional to 159,160.94, 238,421.05 and 73,651.27 is: 110,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,160.94 : 238,421.05 = 73,651.27 : x
  2. Step 2: Convert to fraction form
    159,160.94/238,421.05 = 73,651.27/x
  3. Step 3: Cross multiply
    159,160.94x = 238,421.05 × 73,651.27
  4. Step 4: Simplify right side
    159,160.94x = 17,560,013,127.23
  5. Step 5: Solve for x
    x = 17,560,013,127.23/159,160.94
  6. Step 6: Final answer
    x = 110,328.66

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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.