Home / 187,820.75-281,731.13-63,161.75

Finding the Fourth Proportional to 187,820.75, 281,731.13 and 63,161.75

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Solution

The fourth proportional to 187,820.75, 281,731.13 and 63,161.75 is: 94,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,820.75 : 281,731.13 = 63,161.75 : x
  2. Step 2: Convert to fraction form
    187,820.75/281,731.13 = 63,161.75/x
  3. Step 3: Cross multiply
    187,820.75x = 281,731.13 × 63,161.75
  4. Step 4: Simplify right side
    187,820.75x = 17,794,631,200.28
  5. Step 5: Solve for x
    x = 17,794,631,200.28/187,820.75
  6. Step 6: Final answer
    x = 94,742.63

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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.