Home / 215,961.74-298,029.14-119,169.90

Finding the Fourth Proportional to 215,961.74, 298,029.14 and 119,169.90

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Solution

The fourth proportional to 215,961.74, 298,029.14 and 119,169.90 is: 164,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,961.74 : 298,029.14 = 119,169.90 : x
  2. Step 2: Convert to fraction form
    215,961.74/298,029.14 = 119,169.90/x
  3. Step 3: Cross multiply
    215,961.74x = 298,029.14 × 119,169.90
  4. Step 4: Simplify right side
    215,961.74x = 35,516,102,810.89
  5. Step 5: Solve for x
    x = 35,516,102,810.89/215,961.74
  6. Step 6: Final answer
    x = 164,455.53

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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.