Home / 252,123.08-378,229.60-83,653.52

Finding the Fourth Proportional to 252,123.08, 378,229.60 and 83,653.52

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Solution

The fourth proportional to 252,123.08, 378,229.60 and 83,653.52 is: 125,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,123.08 : 378,229.60 = 83,653.52 : x
  2. Step 2: Convert to fraction form
    252,123.08/378,229.60 = 83,653.52/x
  3. Step 3: Cross multiply
    252,123.08x = 378,229.60 × 83,653.52
  4. Step 4: Simplify right side
    252,123.08x = 31,640,237,348.98
  5. Step 5: Solve for x
    x = 31,640,237,348.98/252,123.08
  6. Step 6: Final answer
    x = 125,495.20

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1.5x scale

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.