Home / 122,845.10-184,312.71-51,785.62

Finding the Fourth Proportional to 122,845.10, 184,312.71 and 51,785.62

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Solution

The fourth proportional to 122,845.10, 184,312.71 and 51,785.62 is: 77,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,845.10 : 184,312.71 = 51,785.62 : x
  2. Step 2: Convert to fraction form
    122,845.10/184,312.71 = 51,785.62/x
  3. Step 3: Cross multiply
    122,845.10x = 184,312.71 × 51,785.62
  4. Step 4: Simplify right side
    122,845.10x = 9,544,747,500.45
  5. Step 5: Solve for x
    x = 9,544,747,500.45/122,845.10
  6. Step 6: Final answer
    x = 77,697.42

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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.