Home / 215,811.70-323,717.55-141,162.10

Finding the Fourth Proportional to 215,811.70, 323,717.55 and 141,162.10

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Solution

The fourth proportional to 215,811.70, 323,717.55 and 141,162.10 is: 211,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,811.70 : 323,717.55 = 141,162.10 : x
  2. Step 2: Convert to fraction form
    215,811.70/323,717.55 = 141,162.10/x
  3. Step 3: Cross multiply
    215,811.70x = 323,717.55 × 141,162.10
  4. Step 4: Simplify right side
    215,811.70x = 45,696,649,164.86
  5. Step 5: Solve for x
    x = 45,696,649,164.86/215,811.70
  6. Step 6: Final answer
    x = 211,743.15

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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.