Home / 231,181.74-346,872.78-81,529.02

Finding the Fourth Proportional to 231,181.74, 346,872.78 and 81,529.02

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Solution

The fourth proportional to 231,181.74, 346,872.78 and 81,529.02 is: 122,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,181.74 : 346,872.78 = 81,529.02 : x
  2. Step 2: Convert to fraction form
    231,181.74/346,872.78 = 81,529.02/x
  3. Step 3: Cross multiply
    231,181.74x = 346,872.78 × 81,529.02
  4. Step 4: Simplify right side
    231,181.74x = 28,280,197,818.08
  5. Step 5: Solve for x
    x = 28,280,197,818.08/231,181.74
  6. Step 6: Final answer
    x = 122,328.86

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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.