Home / 122,980.36-184,370.90-51,856.96

Finding the Fourth Proportional to 122,980.36, 184,370.90 and 51,856.96

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Solution

The fourth proportional to 122,980.36, 184,370.90 and 51,856.96 is: 77,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,980.36 : 184,370.90 = 51,856.96 : x
  2. Step 2: Convert to fraction form
    122,980.36/184,370.90 = 51,856.96/x
  3. Step 3: Cross multiply
    122,980.36x = 184,370.90 × 51,856.96
  4. Step 4: Simplify right side
    122,980.36x = 9,560,914,386.46
  5. Step 5: Solve for x
    x = 9,560,914,386.46/122,980.36
  6. Step 6: Final answer
    x = 77,743.42

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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.