Home / 215,815.70-323,723.55-141,166.10

Finding the Fourth Proportional to 215,815.70, 323,723.55 and 141,166.10

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Solution

The fourth proportional to 215,815.70, 323,723.55 and 141,166.10 is: 211,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,815.70 : 323,723.55 = 141,166.10 : x
  2. Step 2: Convert to fraction form
    215,815.70/323,723.55 = 141,166.10/x
  3. Step 3: Cross multiply
    215,815.70x = 323,723.55 × 141,166.10
  4. Step 4: Simplify right side
    215,815.70x = 45,698,791,031.66
  5. Step 5: Solve for x
    x = 45,698,791,031.66/215,815.70
  6. Step 6: Final answer
    x = 211,749.15

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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.