Home / 187,823.22-281,767.64-82,639.46

Finding the Fourth Proportional to 187,823.22, 281,767.64 and 82,639.46

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Solution

The fourth proportional to 187,823.22, 281,767.64 and 82,639.46 is: 123,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,823.22 : 281,767.64 = 82,639.46 : x
  2. Step 2: Convert to fraction form
    187,823.22/281,767.64 = 82,639.46/x
  3. Step 3: Cross multiply
    187,823.22x = 281,767.64 × 82,639.46
  4. Step 4: Simplify right side
    187,823.22x = 23,285,125,615.07
  5. Step 5: Solve for x
    x = 23,285,125,615.07/187,823.22
  6. Step 6: Final answer
    x = 123,973.63

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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.