Home / 187,836.65-281,847.43-87,979.58

Finding the Fourth Proportional to 187,836.65, 281,847.43 and 87,979.58

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Solution

The fourth proportional to 187,836.65, 281,847.43 and 87,979.58 is: 132,012.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,836.65 : 281,847.43 = 87,979.58 : x
  2. Step 2: Convert to fraction form
    187,836.65/281,847.43 = 87,979.58/x
  3. Step 3: Cross multiply
    187,836.65x = 281,847.43 × 87,979.58
  4. Step 4: Simplify right side
    187,836.65x = 24,796,818,515.48
  5. Step 5: Solve for x
    x = 24,796,818,515.48/187,836.65
  6. Step 6: Final answer
    x = 132,012.67

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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.