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Finding the Fourth Proportional to 104,760, 144,568.80 and 60,073.92

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Solution

The fourth proportional to 104,760, 144,568.80 and 60,073.92 is: 82,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,760 : 144,568.80 = 60,073.92 : x
  2. Step 2: Convert to fraction form
    104,760/144,568.80 = 60,073.92/x
  3. Step 3: Cross multiply
    104,760x = 144,568.80 × 60,073.92
  4. Step 4: Simplify right side
    104,760x = 8,684,814,525.70
  5. Step 5: Solve for x
    x = 8,684,814,525.70/104,760
  6. Step 6: Final answer
    x = 82,902.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.