Home / 133,431.29-184,071.56-82,425.66

Finding the Fourth Proportional to 133,431.29, 184,071.56 and 82,425.66

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Solution

The fourth proportional to 133,431.29, 184,071.56 and 82,425.66 is: 113,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,431.29 : 184,071.56 = 82,425.66 : x
  2. Step 2: Convert to fraction form
    133,431.29/184,071.56 = 82,425.66/x
  3. Step 3: Cross multiply
    133,431.29x = 184,071.56 × 82,425.66
  4. Step 4: Simplify right side
    133,431.29x = 15,172,219,408.10
  5. Step 5: Solve for x
    x = 15,172,219,408.10/133,431.29
  6. Step 6: Final answer
    x = 113,708.11

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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.