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Finding the Fourth Proportional to 187,707.66, 281,652.69 and 82,513.02

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Solution

The fourth proportional to 187,707.66, 281,652.69 and 82,513.02 is: 123,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,707.66 : 281,652.69 = 82,513.02 : x
  2. Step 2: Convert to fraction form
    187,707.66/281,652.69 = 82,513.02/x
  3. Step 3: Cross multiply
    187,707.66x = 281,652.69 × 82,513.02
  4. Step 4: Simplify right side
    187,707.66x = 23,240,014,043.02
  5. Step 5: Solve for x
    x = 23,240,014,043.02/187,707.66
  6. Step 6: Final answer
    x = 123,809.62

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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.