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Finding the Fourth Proportional to 187,481.88, 280,775.58 and 119,801.21

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Solution

The fourth proportional to 187,481.88, 280,775.58 and 119,801.21 is: 179,416.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,481.88 : 280,775.58 = 119,801.21 : x
  2. Step 2: Convert to fraction form
    187,481.88/280,775.58 = 119,801.21/x
  3. Step 3: Cross multiply
    187,481.88x = 280,775.58 × 119,801.21
  4. Step 4: Simplify right side
    187,481.88x = 33,637,252,818.57
  5. Step 5: Solve for x
    x = 33,637,252,818.57/187,481.88
  6. Step 6: Final answer
    x = 179,416.02

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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.