Home / 251,969.05-377,765.98-109,787.40

Finding the Fourth Proportional to 251,969.05, 377,765.98 and 109,787.40

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Solution

The fourth proportional to 251,969.05, 377,765.98 and 109,787.40 is: 164,599.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,969.05 : 377,765.98 = 109,787.40 : x
  2. Step 2: Convert to fraction form
    251,969.05/377,765.98 = 109,787.40/x
  3. Step 3: Cross multiply
    251,969.05x = 377,765.98 × 109,787.40
  4. Step 4: Simplify right side
    251,969.05x = 41,473,944,478.18
  5. Step 5: Solve for x
    x = 41,473,944,478.18/251,969.05
  6. Step 6: Final answer
    x = 164,599.36

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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.