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Finding the Fourth Proportional to 116,448.21, 174,672.32 and 92,964.69

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Solution

The fourth proportional to 116,448.21, 174,672.32 and 92,964.69 is: 139,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,448.21 : 174,672.32 = 92,964.69 : x
  2. Step 2: Convert to fraction form
    116,448.21/174,672.32 = 92,964.69/x
  3. Step 3: Cross multiply
    116,448.21x = 174,672.32 × 92,964.69
  4. Step 4: Simplify right side
    116,448.21x = 16,238,357,615.56
  5. Step 5: Solve for x
    x = 16,238,357,615.56/116,448.21
  6. Step 6: Final answer
    x = 139,447.04

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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.