Home / 122,871.60-184,379.06-51,789.92

Finding the Fourth Proportional to 122,871.60, 184,379.06 and 51,789.92

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Solution

The fourth proportional to 122,871.60, 184,379.06 and 51,789.92 is: 77,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,871.60 : 184,379.06 = 51,789.92 : x
  2. Step 2: Convert to fraction form
    122,871.60/184,379.06 = 51,789.92/x
  3. Step 3: Cross multiply
    122,871.60x = 184,379.06 × 51,789.92
  4. Step 4: Simplify right side
    122,871.60x = 9,548,975,974.65
  5. Step 5: Solve for x
    x = 9,548,975,974.65/122,871.60
  6. Step 6: Final answer
    x = 77,715.08

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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.