Home / 133,749.78-184,576.78-80,037.06

Finding the Fourth Proportional to 133,749.78, 184,576.78 and 80,037.06

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Solution

The fourth proportional to 133,749.78, 184,576.78 and 80,037.06 is: 110,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,749.78 : 184,576.78 = 80,037.06 : x
  2. Step 2: Convert to fraction form
    133,749.78/184,576.78 = 80,037.06/x
  3. Step 3: Cross multiply
    133,749.78x = 184,576.78 × 80,037.06
  4. Step 4: Simplify right side
    133,749.78x = 14,772,982,815.47
  5. Step 5: Solve for x
    x = 14,772,982,815.47/133,749.78
  6. Step 6: Final answer
    x = 110,452.39

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1.5x scale

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.