Home / 215,404.39-297,257.95-119,933.64

Finding the Fourth Proportional to 215,404.39, 297,257.95 and 119,933.64

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Solution

The fourth proportional to 215,404.39, 297,257.95 and 119,933.64 is: 165,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,404.39 : 297,257.95 = 119,933.64 : x
  2. Step 2: Convert to fraction form
    215,404.39/297,257.95 = 119,933.64/x
  3. Step 3: Cross multiply
    215,404.39x = 297,257.95 × 119,933.64
  4. Step 4: Simplify right side
    215,404.39x = 35,651,228,112.36
  5. Step 5: Solve for x
    x = 35,651,228,112.36/215,404.39
  6. Step 6: Final answer
    x = 165,508.36

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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.