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Finding the Fourth Proportional to 202,774.35, 279,830.41 and 112,136.41

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Solution

The fourth proportional to 202,774.35, 279,830.41 and 112,136.41 is: 154,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,774.35 : 279,830.41 = 112,136.41 : x
  2. Step 2: Convert to fraction form
    202,774.35/279,830.41 = 112,136.41/x
  3. Step 3: Cross multiply
    202,774.35x = 279,830.41 × 112,136.41
  4. Step 4: Simplify right side
    202,774.35x = 31,379,177,866.57
  5. Step 5: Solve for x
    x = 31,379,177,866.57/202,774.35
  6. Step 6: Final answer
    x = 154,749.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.