Home / 180,690.30-271,283.72-92,003.40

Finding the Fourth Proportional to 180,690.30, 271,283.72 and 92,003.40

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Solution

The fourth proportional to 180,690.30, 271,283.72 and 92,003.40 is: 138,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,690.30 : 271,283.72 = 92,003.40 : x
  2. Step 2: Convert to fraction form
    180,690.30/271,283.72 = 92,003.40/x
  3. Step 3: Cross multiply
    180,690.30x = 271,283.72 × 92,003.40
  4. Step 4: Simplify right side
    180,690.30x = 24,959,024,604.65
  5. Step 5: Solve for x
    x = 24,959,024,604.65/180,690.30
  6. Step 6: Final answer
    x = 138,131.51

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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.