Home / 184,488.12-276,398.40-84,731.76

Finding the Fourth Proportional to 184,488.12, 276,398.40 and 84,731.76

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Solution

The fourth proportional to 184,488.12, 276,398.40 and 84,731.76 is: 126,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,488.12 : 276,398.40 = 84,731.76 : x
  2. Step 2: Convert to fraction form
    184,488.12/276,398.40 = 84,731.76/x
  3. Step 3: Cross multiply
    184,488.12x = 276,398.40 × 84,731.76
  4. Step 4: Simplify right side
    184,488.12x = 23,419,722,893.18
  5. Step 5: Solve for x
    x = 23,419,722,893.18/184,488.12
  6. Step 6: Final answer
    x = 126,944.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.