Home / 215,961.76-298,029.16-119,169.92

Finding the Fourth Proportional to 215,961.76, 298,029.16 and 119,169.92

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Solution

The fourth proportional to 215,961.76, 298,029.16 and 119,169.92 is: 164,455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,961.76 : 298,029.16 = 119,169.92 : x
  2. Step 2: Convert to fraction form
    215,961.76/298,029.16 = 119,169.92/x
  3. Step 3: Cross multiply
    215,961.76x = 298,029.16 × 119,169.92
  4. Step 4: Simplify right side
    215,961.76x = 35,516,111,154.87
  5. Step 5: Solve for x
    x = 35,516,111,154.87/215,961.76
  6. Step 6: Final answer
    x = 164,455.56

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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.