Home / 134,029.92-184,965.60-77,441.28

Finding the Fourth Proportional to 134,029.92, 184,965.60 and 77,441.28

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Solution

The fourth proportional to 134,029.92, 184,965.60 and 77,441.28 is: 106,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,029.92 : 184,965.60 = 77,441.28 : x
  2. Step 2: Convert to fraction form
    134,029.92/184,965.60 = 77,441.28/x
  3. Step 3: Cross multiply
    134,029.92x = 184,965.60 × 77,441.28
  4. Step 4: Simplify right side
    134,029.92x = 14,323,972,819.97
  5. Step 5: Solve for x
    x = 14,323,972,819.97/134,029.92
  6. Step 6: Final answer
    x = 106,871.46

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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.