Home / 211,890.30-292,286.44-126,958.15

Finding the Fourth Proportional to 211,890.30, 292,286.44 and 126,958.15

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Solution

The fourth proportional to 211,890.30, 292,286.44 and 126,958.15 is: 175,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,890.30 : 292,286.44 = 126,958.15 : x
  2. Step 2: Convert to fraction form
    211,890.30/292,286.44 = 126,958.15/x
  3. Step 3: Cross multiply
    211,890.30x = 292,286.44 × 126,958.15
  4. Step 4: Simplify right side
    211,890.30x = 37,108,145,692.49
  5. Step 5: Solve for x
    x = 37,108,145,692.49/211,890.30
  6. Step 6: Final answer
    x = 175,129.04

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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.