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Finding the Fourth Proportional to 104,191.33, 156,477.66 and 95,407.78

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Solution

The fourth proportional to 104,191.33, 156,477.66 and 95,407.78 is: 143,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,191.33 : 156,477.66 = 95,407.78 : x
  2. Step 2: Convert to fraction form
    104,191.33/156,477.66 = 95,407.78/x
  3. Step 3: Cross multiply
    104,191.33x = 156,477.66 × 95,407.78
  4. Step 4: Simplify right side
    104,191.33x = 14,929,186,160.19
  5. Step 5: Solve for x
    x = 14,929,186,160.19/104,191.33
  6. Step 6: Final answer
    x = 143,286.26

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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.