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Finding the Fourth Proportional to 168,279.35, 252,356.02 and 55,938.83

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Solution

The fourth proportional to 168,279.35, 252,356.02 and 55,938.83 is: 83,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,279.35 : 252,356.02 = 55,938.83 : x
  2. Step 2: Convert to fraction form
    168,279.35/252,356.02 = 55,938.83/x
  3. Step 3: Cross multiply
    168,279.35x = 252,356.02 × 55,938.83
  4. Step 4: Simplify right side
    168,279.35x = 14,116,499,100.63
  5. Step 5: Solve for x
    x = 14,116,499,100.63/168,279.35
  6. Step 6: Final answer
    x = 83,887.30

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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.