Home / 187,621.94-281,536.78-69,370.86

Finding the Fourth Proportional to 187,621.94, 281,536.78 and 69,370.86

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Solution

The fourth proportional to 187,621.94, 281,536.78 and 69,370.86 is: 104,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,621.94 : 281,536.78 = 69,370.86 : x
  2. Step 2: Convert to fraction form
    187,621.94/281,536.78 = 69,370.86/x
  3. Step 3: Cross multiply
    187,621.94x = 281,536.78 × 69,370.86
  4. Step 4: Simplify right side
    187,621.94x = 19,530,448,550.23
  5. Step 5: Solve for x
    x = 19,530,448,550.23/187,621.94
  6. Step 6: Final answer
    x = 104,094.69

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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.