Home / 187,534.89-281,214.86-108,671.67

Finding the Fourth Proportional to 187,534.89, 281,214.86 and 108,671.67

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Solution

The fourth proportional to 187,534.89, 281,214.86 and 108,671.67 is: 162,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,534.89 : 281,214.86 = 108,671.67 : x
  2. Step 2: Convert to fraction form
    187,534.89/281,214.86 = 108,671.67/x
  3. Step 3: Cross multiply
    187,534.89x = 281,214.86 × 108,671.67
  4. Step 4: Simplify right side
    187,534.89x = 30,560,087,921.66
  5. Step 5: Solve for x
    x = 30,560,087,921.66/187,534.89
  6. Step 6: Final answer
    x = 162,956.81

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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.