Home / 143,916.90-215,891.55-44,076.30

Finding the Fourth Proportional to 143,916.90, 215,891.55 and 44,076.30

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Solution

The fourth proportional to 143,916.90, 215,891.55 and 44,076.30 is: 66,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,916.90 : 215,891.55 = 44,076.30 : x
  2. Step 2: Convert to fraction form
    143,916.90/215,891.55 = 44,076.30/x
  3. Step 3: Cross multiply
    143,916.90x = 215,891.55 × 44,076.30
  4. Step 4: Simplify right side
    143,916.90x = 9,515,700,725.27
  5. Step 5: Solve for x
    x = 9,515,700,725.27/143,916.90
  6. Step 6: Final answer
    x = 66,119.41

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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.