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Finding the Fourth Proportional to 181,804.74, 272,598.75 and 75,105.78

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Solution

The fourth proportional to 181,804.74, 272,598.75 and 75,105.78 is: 112,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,804.74 : 272,598.75 = 75,105.78 : x
  2. Step 2: Convert to fraction form
    181,804.74/272,598.75 = 75,105.78/x
  3. Step 3: Cross multiply
    181,804.74x = 272,598.75 × 75,105.78
  4. Step 4: Simplify right side
    181,804.74x = 20,473,741,745.78
  5. Step 5: Solve for x
    x = 20,473,741,745.78/181,804.74
  6. Step 6: Final answer
    x = 112,613.91

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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.