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Finding the Fourth Proportional to 104,909.37, 144,731.58 and 73,096.73

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Solution

The fourth proportional to 104,909.37, 144,731.58 and 73,096.73 is: 100,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,909.37 : 144,731.58 = 73,096.73 : x
  2. Step 2: Convert to fraction form
    104,909.37/144,731.58 = 73,096.73/x
  3. Step 3: Cross multiply
    104,909.37x = 144,731.58 × 73,096.73
  4. Step 4: Simplify right side
    104,909.37x = 10,579,404,502.08
  5. Step 5: Solve for x
    x = 10,579,404,502.08/104,909.37
  6. Step 6: Final answer
    x = 100,843.28

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1.5x scale

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.