Home / 133,050.10-199,575.15-126,489.10

Finding the Fourth Proportional to 133,050.10, 199,575.15 and 126,489.10

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Solution

The fourth proportional to 133,050.10, 199,575.15 and 126,489.10 is: 189,733.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,050.10 : 199,575.15 = 126,489.10 : x
  2. Step 2: Convert to fraction form
    133,050.10/199,575.15 = 126,489.10/x
  3. Step 3: Cross multiply
    133,050.10x = 199,575.15 × 126,489.10
  4. Step 4: Simplify right side
    133,050.10x = 25,244,081,105.87
  5. Step 5: Solve for x
    x = 25,244,081,105.87/133,050.10
  6. Step 6: Final answer
    x = 189,733.65

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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.