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Finding the Fourth Proportional to 133,323.86, 183,984.96 and 79,598.78

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Solution

The fourth proportional to 133,323.86, 183,984.96 and 79,598.78 is: 109,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,323.86 : 183,984.96 = 79,598.78 : x
  2. Step 2: Convert to fraction form
    133,323.86/183,984.96 = 79,598.78/x
  3. Step 3: Cross multiply
    133,323.86x = 183,984.96 × 79,598.78
  4. Step 4: Simplify right side
    133,323.86x = 14,644,978,354.35
  5. Step 5: Solve for x
    x = 14,644,978,354.35/133,323.86
  6. Step 6: Final answer
    x = 109,845.14

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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.