Home / 187,890.49-281,809.82-103,806.01

Finding the Fourth Proportional to 187,890.49, 281,809.82 and 103,806.01

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Solution

The fourth proportional to 187,890.49, 281,809.82 and 103,806.01 is: 155,694.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,890.49 : 281,809.82 = 103,806.01 : x
  2. Step 2: Convert to fraction form
    187,890.49/281,809.82 = 103,806.01/x
  3. Step 3: Cross multiply
    187,890.49x = 281,809.82 × 103,806.01
  4. Step 4: Simplify right side
    187,890.49x = 29,253,552,473.99
  5. Step 5: Solve for x
    x = 29,253,552,473.99/187,890.49
  6. Step 6: Final answer
    x = 155,694.69

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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.