Home / 251,787.54-377,570.57-133,431.20

Finding the Fourth Proportional to 251,787.54, 377,570.57 and 133,431.20

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Solution

The fourth proportional to 251,787.54, 377,570.57 and 133,431.20 is: 200,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,787.54 : 377,570.57 = 133,431.20 : x
  2. Step 2: Convert to fraction form
    251,787.54/377,570.57 = 133,431.20/x
  3. Step 3: Cross multiply
    251,787.54x = 377,570.57 × 133,431.20
  4. Step 4: Simplify right side
    251,787.54x = 50,379,693,100.66
  5. Step 5: Solve for x
    x = 50,379,693,100.66/251,787.54
  6. Step 6: Final answer
    x = 200,088.11

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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.