Home / 180,849.85-271,308.80-72,787.48

Finding the Fourth Proportional to 180,849.85, 271,308.80 and 72,787.48

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Solution

The fourth proportional to 180,849.85, 271,308.80 and 72,787.48 is: 109,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,849.85 : 271,308.80 = 72,787.48 : x
  2. Step 2: Convert to fraction form
    180,849.85/271,308.80 = 72,787.48/x
  3. Step 3: Cross multiply
    180,849.85x = 271,308.80 × 72,787.48
  4. Step 4: Simplify right side
    180,849.85x = 19,747,883,853.82
  5. Step 5: Solve for x
    x = 19,747,883,853.82/180,849.85
  6. Step 6: Final answer
    x = 109,194.91

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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.