Home / 122,658.64-184,221.40-76,235.92

Finding the Fourth Proportional to 122,658.64, 184,221.40 and 76,235.92

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Solution

The fourth proportional to 122,658.64, 184,221.40 and 76,235.92 is: 114,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,658.64 : 184,221.40 = 76,235.92 : x
  2. Step 2: Convert to fraction form
    122,658.64/184,221.40 = 76,235.92/x
  3. Step 3: Cross multiply
    122,658.64x = 184,221.40 × 76,235.92
  4. Step 4: Simplify right side
    122,658.64x = 14,044,287,912.69
  5. Step 5: Solve for x
    x = 14,044,287,912.69/122,658.64
  6. Step 6: Final answer
    x = 114,498.97

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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.