Home / 186,872.16-280,380.60-68,625.12

Finding the Fourth Proportional to 186,872.16, 280,380.60 and 68,625.12

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Solution

The fourth proportional to 186,872.16, 280,380.60 and 68,625.12 is: 102,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,872.16 : 280,380.60 = 68,625.12 : x
  2. Step 2: Convert to fraction form
    186,872.16/280,380.60 = 68,625.12/x
  3. Step 3: Cross multiply
    186,872.16x = 280,380.60 × 68,625.12
  4. Step 4: Simplify right side
    186,872.16x = 19,241,152,320.67
  5. Step 5: Solve for x
    x = 19,241,152,320.67/186,872.16
  6. Step 6: Final answer
    x = 102,964.25

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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.