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Finding the Fourth Proportional to 133,465.62, 184,164.35 and 79,739.22

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Solution

The fourth proportional to 133,465.62, 184,164.35 and 79,739.22 is: 110,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,465.62 : 184,164.35 = 79,739.22 : x
  2. Step 2: Convert to fraction form
    133,465.62/184,164.35 = 79,739.22/x
  3. Step 3: Cross multiply
    133,465.62x = 184,164.35 × 79,739.22
  4. Step 4: Simplify right side
    133,465.62x = 14,685,121,222.11
  5. Step 5: Solve for x
    x = 14,685,121,222.11/133,465.62
  6. Step 6: Final answer
    x = 110,029.24

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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.