Home / 133,776.12-184,619.34-74,160.12

Finding the Fourth Proportional to 133,776.12, 184,619.34 and 74,160.12

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Solution

The fourth proportional to 133,776.12, 184,619.34 and 74,160.12 is: 102,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,776.12 : 184,619.34 = 74,160.12 : x
  2. Step 2: Convert to fraction form
    133,776.12/184,619.34 = 74,160.12/x
  3. Step 3: Cross multiply
    133,776.12x = 184,619.34 × 74,160.12
  4. Step 4: Simplify right side
    133,776.12x = 13,691,392,408.72
  5. Step 5: Solve for x
    x = 13,691,392,408.72/133,776.12
  6. Step 6: Final answer
    x = 102,345.56

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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.