Home / 215,899.80-323,849.70-141,104.40

Finding the Fourth Proportional to 215,899.80, 323,849.70 and 141,104.40

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Solution

The fourth proportional to 215,899.80, 323,849.70 and 141,104.40 is: 211,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,899.80 : 323,849.70 = 141,104.40 : x
  2. Step 2: Convert to fraction form
    215,899.80/323,849.70 = 141,104.40/x
  3. Step 3: Cross multiply
    215,899.80x = 323,849.70 × 141,104.40
  4. Step 4: Simplify right side
    215,899.80x = 45,696,617,608.68
  5. Step 5: Solve for x
    x = 45,696,617,608.68/215,899.80
  6. Step 6: Final answer
    x = 211,656.60

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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.