Home / 215,974.14-298,042.30-119,178.93

Finding the Fourth Proportional to 215,974.14, 298,042.30 and 119,178.93

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Solution

The fourth proportional to 215,974.14, 298,042.30 and 119,178.93 is: 164,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,974.14 : 298,042.30 = 119,178.93 : x
  2. Step 2: Convert to fraction form
    215,974.14/298,042.30 = 119,178.93/x
  3. Step 3: Cross multiply
    215,974.14x = 298,042.30 × 119,178.93
  4. Step 4: Simplify right side
    215,974.14x = 35,520,362,408.74
  5. Step 5: Solve for x
    x = 35,520,362,408.74/215,974.14
  6. Step 6: Final answer
    x = 164,465.81

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1.5x scale

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.