Home / 122,149.82-183,007.24-74,741.74

Finding the Fourth Proportional to 122,149.82, 183,007.24 and 74,741.74

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Solution

The fourth proportional to 122,149.82, 183,007.24 and 74,741.74 is: 111,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,149.82 : 183,007.24 = 74,741.74 : x
  2. Step 2: Convert to fraction form
    122,149.82/183,007.24 = 74,741.74/x
  3. Step 3: Cross multiply
    122,149.82x = 183,007.24 × 74,741.74
  4. Step 4: Simplify right side
    122,149.82x = 13,678,279,550.20
  5. Step 5: Solve for x
    x = 13,678,279,550.20/122,149.82
  6. Step 6: Final answer
    x = 111,979.53

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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.