Home / 99,916.96-149,949.25-47,326.44

Finding the Fourth Proportional to 99,916.96, 149,949.25 and 47,326.44

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Solution

The fourth proportional to 99,916.96, 149,949.25 and 47,326.44 is: 71,024.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,916.96 : 149,949.25 = 47,326.44 : x
  2. Step 2: Convert to fraction form
    99,916.96/149,949.25 = 47,326.44/x
  3. Step 3: Cross multiply
    99,916.96x = 149,949.25 × 47,326.44
  4. Step 4: Simplify right side
    99,916.96x = 7,096,564,183.17
  5. Step 5: Solve for x
    x = 7,096,564,183.17/99,916.96
  6. Step 6: Final answer
    x = 71,024.62

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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.