Home / 133,844.74-184,721.18-80,129.72

Finding the Fourth Proportional to 133,844.74, 184,721.18 and 80,129.72

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Solution

The fourth proportional to 133,844.74, 184,721.18 and 80,129.72 is: 110,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,844.74 : 184,721.18 = 80,129.72 : x
  2. Step 2: Convert to fraction form
    133,844.74/184,721.18 = 80,129.72/x
  3. Step 3: Cross multiply
    133,844.74x = 184,721.18 × 80,129.72
  4. Step 4: Simplify right side
    133,844.74x = 14,801,656,492.62
  5. Step 5: Solve for x
    x = 14,801,656,492.62/133,844.74
  6. Step 6: Final answer
    x = 110,588.26

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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.