Home / 252,116.07-378,136.44-83,753.52

Finding the Fourth Proportional to 252,116.07, 378,136.44 and 83,753.52

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Solution

The fourth proportional to 252,116.07, 378,136.44 and 83,753.52 is: 125,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,116.07 : 378,136.44 = 83,753.52 : x
  2. Step 2: Convert to fraction form
    252,116.07/378,136.44 = 83,753.52/x
  3. Step 3: Cross multiply
    252,116.07x = 378,136.44 × 83,753.52
  4. Step 4: Simplify right side
    252,116.07x = 31,670,257,890.27
  5. Step 5: Solve for x
    x = 31,670,257,890.27/252,116.07
  6. Step 6: Final answer
    x = 125,617.77

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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.