Home / 133,788.24-184,629.20-76,435.20

Finding the Fourth Proportional to 133,788.24, 184,629.20 and 76,435.20

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Solution

The fourth proportional to 133,788.24, 184,629.20 and 76,435.20 is: 105,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,788.24 : 184,629.20 = 76,435.20 : x
  2. Step 2: Convert to fraction form
    133,788.24/184,629.20 = 76,435.20/x
  3. Step 3: Cross multiply
    133,788.24x = 184,629.20 × 76,435.20
  4. Step 4: Simplify right side
    133,788.24x = 14,112,169,827.84
  5. Step 5: Solve for x
    x = 14,112,169,827.84/133,788.24
  6. Step 6: Final answer
    x = 105,481.39

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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.