Home / 215,801.20-323,701.80-141,151.60

Finding the Fourth Proportional to 215,801.20, 323,701.80 and 141,151.60

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Solution

The fourth proportional to 215,801.20, 323,701.80 and 141,151.60 is: 211,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,801.20 : 323,701.80 = 141,151.60 : x
  2. Step 2: Convert to fraction form
    215,801.20/323,701.80 = 141,151.60/x
  3. Step 3: Cross multiply
    215,801.20x = 323,701.80 × 141,151.60
  4. Step 4: Simplify right side
    215,801.20x = 45,691,026,992.88
  5. Step 5: Solve for x
    x = 45,691,026,992.88/215,801.20
  6. Step 6: Final answer
    x = 211,727.40

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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.