Home / 122,555.20-184,005.60-75,899.20

Finding the Fourth Proportional to 122,555.20, 184,005.60 and 75,899.20

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Solution

The fourth proportional to 122,555.20, 184,005.60 and 75,899.20 is: 113,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,555.20 : 184,005.60 = 75,899.20 : x
  2. Step 2: Convert to fraction form
    122,555.20/184,005.60 = 75,899.20/x
  3. Step 3: Cross multiply
    122,555.20x = 184,005.60 × 75,899.20
  4. Step 4: Simplify right side
    122,555.20x = 13,965,877,835.52
  5. Step 5: Solve for x
    x = 13,965,877,835.52/122,555.20
  6. Step 6: Final answer
    x = 113,955.82

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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.