Home / 187,398.03-281,094.56-45,242.54

Finding the Fourth Proportional to 187,398.03, 281,094.56 and 45,242.54

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Solution

The fourth proportional to 187,398.03, 281,094.56 and 45,242.54 is: 67,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,398.03 : 281,094.56 = 45,242.54 : x
  2. Step 2: Convert to fraction form
    187,398.03/281,094.56 = 45,242.54/x
  3. Step 3: Cross multiply
    187,398.03x = 281,094.56 × 45,242.54
  4. Step 4: Simplify right side
    187,398.03x = 12,717,431,874.58
  5. Step 5: Solve for x
    x = 12,717,431,874.58/187,398.03
  6. Step 6: Final answer
    x = 67,863.21

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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.