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Finding the Fourth Proportional to 181,299.42, 250,123.41 and 133,666.02

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Solution

The fourth proportional to 181,299.42, 250,123.41 and 133,666.02 is: 184,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,299.42 : 250,123.41 = 133,666.02 : x
  2. Step 2: Convert to fraction form
    181,299.42/250,123.41 = 133,666.02/x
  3. Step 3: Cross multiply
    181,299.42x = 250,123.41 × 133,666.02
  4. Step 4: Simplify right side
    181,299.42x = 33,433,000,723.53
  5. Step 5: Solve for x
    x = 33,433,000,723.53/181,299.42
  6. Step 6: Final answer
    x = 184,407.65

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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.