Home / 252,869.39-379,490.72-119,749.40

Finding the Fourth Proportional to 252,869.39, 379,490.72 and 119,749.40

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Solution

The fourth proportional to 252,869.39, 379,490.72 and 119,749.40 is: 179,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,869.39 : 379,490.72 = 119,749.40 : x
  2. Step 2: Convert to fraction form
    252,869.39/379,490.72 = 119,749.40/x
  3. Step 3: Cross multiply
    252,869.39x = 379,490.72 × 119,749.40
  4. Step 4: Simplify right side
    252,869.39x = 45,443,783,529.37
  5. Step 5: Solve for x
    x = 45,443,783,529.37/252,869.39
  6. Step 6: Final answer
    x = 179,712.48

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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.