Home / 252,117.01-347,919.60-138,939.76

Finding the Fourth Proportional to 252,117.01, 347,919.60 and 138,939.76

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Solution

The fourth proportional to 252,117.01, 347,919.60 and 138,939.76 is: 191,735.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,117.01 : 347,919.60 = 138,939.76 : x
  2. Step 2: Convert to fraction form
    252,117.01/347,919.60 = 138,939.76/x
  3. Step 3: Cross multiply
    252,117.01x = 347,919.60 × 138,939.76
  4. Step 4: Simplify right side
    252,117.01x = 48,339,865,723.30
  5. Step 5: Solve for x
    x = 48,339,865,723.30/252,117.01
  6. Step 6: Final answer
    x = 191,735.84

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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.