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Finding the Fourth Proportional to 119,900.10, 179,850.09 and 35,659.92

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Solution

The fourth proportional to 119,900.10, 179,850.09 and 35,659.92 is: 53,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,900.10 : 179,850.09 = 35,659.92 : x
  2. Step 2: Convert to fraction form
    119,900.10/179,850.09 = 35,659.92/x
  3. Step 3: Cross multiply
    119,900.10x = 179,850.09 × 35,659.92
  4. Step 4: Simplify right side
    119,900.10x = 6,413,439,821.39
  5. Step 5: Solve for x
    x = 6,413,439,821.39/119,900.10
  6. Step 6: Final answer
    x = 53,489.86

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1.5x scale

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.