Home / 134,021.76-184,910.64-83,071.92

Finding the Fourth Proportional to 134,021.76, 184,910.64 and 83,071.92

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Solution

The fourth proportional to 134,021.76, 184,910.64 and 83,071.92 is: 114,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,021.76 : 184,910.64 = 83,071.92 : x
  2. Step 2: Convert to fraction form
    134,021.76/184,910.64 = 83,071.92/x
  3. Step 3: Cross multiply
    134,021.76x = 184,910.64 × 83,071.92
  4. Step 4: Simplify right side
    134,021.76x = 15,360,881,893.23
  5. Step 5: Solve for x
    x = 15,360,881,893.23/134,021.76
  6. Step 6: Final answer
    x = 114,614.83

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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.