Home / 182,491.20-273,618.40-77,281.60

Finding the Fourth Proportional to 182,491.20, 273,618.40 and 77,281.60

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Solution

The fourth proportional to 182,491.20, 273,618.40 and 77,281.60 is: 115,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,491.20 : 273,618.40 = 77,281.60 : x
  2. Step 2: Convert to fraction form
    182,491.20/273,618.40 = 77,281.60/x
  3. Step 3: Cross multiply
    182,491.20x = 273,618.40 × 77,281.60
  4. Step 4: Simplify right side
    182,491.20x = 21,145,667,741.44
  5. Step 5: Solve for x
    x = 21,145,667,741.44/182,491.20
  6. Step 6: Final answer
    x = 115,872.26

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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.