Home / 122,836.91-184,218.30-47,936.81

Finding the Fourth Proportional to 122,836.91, 184,218.30 and 47,936.81

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Solution

The fourth proportional to 122,836.91, 184,218.30 and 47,936.81 is: 71,890.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,836.91 : 184,218.30 = 47,936.81 : x
  2. Step 2: Convert to fraction form
    122,836.91/184,218.30 = 47,936.81/x
  3. Step 3: Cross multiply
    122,836.91x = 184,218.30 × 47,936.81
  4. Step 4: Simplify right side
    122,836.91x = 8,830,838,106.17
  5. Step 5: Solve for x
    x = 8,830,838,106.17/122,836.91
  6. Step 6: Final answer
    x = 71,890.76

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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.