Home / 187,857.38-281,802.47-47,616

Finding the Fourth Proportional to 187,857.38, 281,802.47 and 47,616

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Solution

The fourth proportional to 187,857.38, 281,802.47 and 47,616 is: 71,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,857.38 : 281,802.47 = 47,616 : x
  2. Step 2: Convert to fraction form
    187,857.38/281,802.47 = 47,616/x
  3. Step 3: Cross multiply
    187,857.38x = 281,802.47 × 47,616
  4. Step 4: Simplify right side
    187,857.38x = 13,418,306,173.44
  5. Step 5: Solve for x
    x = 13,418,306,173.44/187,857.38
  6. Step 6: Final answer
    x = 71,428.16

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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.