Home / 133,748.78-184,575.40-80,036.06

Finding the Fourth Proportional to 133,748.78, 184,575.40 and 80,036.06

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Solution

The fourth proportional to 133,748.78, 184,575.40 and 80,036.06 is: 110,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,748.78 : 184,575.40 = 80,036.06 : x
  2. Step 2: Convert to fraction form
    133,748.78/184,575.40 = 80,036.06/x
  3. Step 3: Cross multiply
    133,748.78x = 184,575.40 × 80,036.06
  4. Step 4: Simplify right side
    133,748.78x = 14,772,687,788.92
  5. Step 5: Solve for x
    x = 14,772,687,788.92/133,748.78
  6. Step 6: Final answer
    x = 110,451.01

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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.