Home / 143,915.43-215,920.95-63,942.27

Finding the Fourth Proportional to 143,915.43, 215,920.95 and 63,942.27

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Solution

The fourth proportional to 143,915.43, 215,920.95 and 63,942.27 is: 95,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,915.43 : 215,920.95 = 63,942.27 : x
  2. Step 2: Convert to fraction form
    143,915.43/215,920.95 = 63,942.27/x
  3. Step 3: Cross multiply
    143,915.43x = 215,920.95 × 63,942.27
  4. Step 4: Simplify right side
    143,915.43x = 13,806,475,683.56
  5. Step 5: Solve for x
    x = 13,806,475,683.56/143,915.43
  6. Step 6: Final answer
    x = 95,934.64

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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.