Home / 123,842.63-185,705.37-47,976.70

Finding the Fourth Proportional to 123,842.63, 185,705.37 and 47,976.70

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Solution

The fourth proportional to 123,842.63, 185,705.37 and 47,976.70 is: 71,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,842.63 : 185,705.37 = 47,976.70 : x
  2. Step 2: Convert to fraction form
    123,842.63/185,705.37 = 47,976.70/x
  3. Step 3: Cross multiply
    123,842.63x = 185,705.37 × 47,976.70
  4. Step 4: Simplify right side
    123,842.63x = 8,909,529,896.35
  5. Step 5: Solve for x
    x = 8,909,529,896.35/123,842.63
  6. Step 6: Final answer
    x = 71,942.35

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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.