Home / 187,756.63-281,635.53-47,515.21

Finding the Fourth Proportional to 187,756.63, 281,635.53 and 47,515.21

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Solution

The fourth proportional to 187,756.63, 281,635.53 and 47,515.21 is: 71,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,756.63 : 281,635.53 = 47,515.21 : x
  2. Step 2: Convert to fraction form
    187,756.63/281,635.53 = 47,515.21/x
  3. Step 3: Cross multiply
    187,756.63x = 281,635.53 × 47,515.21
  4. Step 4: Simplify right side
    187,756.63x = 13,381,971,351.41
  5. Step 5: Solve for x
    x = 13,381,971,351.41/187,756.63
  6. Step 6: Final answer
    x = 71,272.96

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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.