Home / 140,787.12-211,213.32-40,949.68

Finding the Fourth Proportional to 140,787.12, 211,213.32 and 40,949.68

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Solution

The fourth proportional to 140,787.12, 211,213.32 and 40,949.68 is: 61,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,787.12 : 211,213.32 = 40,949.68 : x
  2. Step 2: Convert to fraction form
    140,787.12/211,213.32 = 40,949.68/x
  3. Step 3: Cross multiply
    140,787.12x = 211,213.32 × 40,949.68
  4. Step 4: Simplify right side
    140,787.12x = 8,649,117,865.74
  5. Step 5: Solve for x
    x = 8,649,117,865.74/140,787.12
  6. Step 6: Final answer
    x = 61,434.01

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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.