Home / 98,576.05-147,991.19-84,625.72

Finding the Fourth Proportional to 98,576.05, 147,991.19 and 84,625.72

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Solution

The fourth proportional to 98,576.05, 147,991.19 and 84,625.72 is: 127,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,576.05 : 147,991.19 = 84,625.72 : x
  2. Step 2: Convert to fraction form
    98,576.05/147,991.19 = 84,625.72/x
  3. Step 3: Cross multiply
    98,576.05x = 147,991.19 × 84,625.72
  4. Step 4: Simplify right side
    98,576.05x = 12,523,861,007.41
  5. Step 5: Solve for x
    x = 12,523,861,007.41/98,576.05
  6. Step 6: Final answer
    x = 127,047.71

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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.