Home / 187,967.60-281,885.82-75,618.68

Finding the Fourth Proportional to 187,967.60, 281,885.82 and 75,618.68

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Solution

The fourth proportional to 187,967.60, 281,885.82 and 75,618.68 is: 113,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,967.60 : 281,885.82 = 75,618.68 : x
  2. Step 2: Convert to fraction form
    187,967.60/281,885.82 = 75,618.68/x
  3. Step 3: Cross multiply
    187,967.60x = 281,885.82 × 75,618.68
  4. Step 4: Simplify right side
    187,967.60x = 21,315,833,619.12
  5. Step 5: Solve for x
    x = 21,315,833,619.12/187,967.60
  6. Step 6: Final answer
    x = 113,401.64

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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.