Home / 180,947.96-271,335.66-81,108.98

Finding the Fourth Proportional to 180,947.96, 271,335.66 and 81,108.98

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Solution

The fourth proportional to 180,947.96, 271,335.66 and 81,108.98 is: 121,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,947.96 : 271,335.66 = 81,108.98 : x
  2. Step 2: Convert to fraction form
    180,947.96/271,335.66 = 81,108.98/x
  3. Step 3: Cross multiply
    180,947.96x = 271,335.66 × 81,108.98
  4. Step 4: Simplify right side
    180,947.96x = 22,007,758,620.23
  5. Step 5: Solve for x
    x = 22,007,758,620.23/180,947.96
  6. Step 6: Final answer
    x = 121,624.80

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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.