Home / 187,845.86-281,738.82-69,490.28

Finding the Fourth Proportional to 187,845.86, 281,738.82 and 69,490.28

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Solution

The fourth proportional to 187,845.86, 281,738.82 and 69,490.28 is: 104,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,845.86 : 281,738.82 = 69,490.28 : x
  2. Step 2: Convert to fraction form
    187,845.86/281,738.82 = 69,490.28/x
  3. Step 3: Cross multiply
    187,845.86x = 281,738.82 × 69,490.28
  4. Step 4: Simplify right side
    187,845.86x = 19,578,109,488.67
  5. Step 5: Solve for x
    x = 19,578,109,488.67/187,845.86
  6. Step 6: Final answer
    x = 104,224.33

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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.