Home / 119,217.87-178,787.32-48,122.15

Finding the Fourth Proportional to 119,217.87, 178,787.32 and 48,122.15

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Solution

The fourth proportional to 119,217.87, 178,787.32 and 48,122.15 is: 72,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,217.87 : 178,787.32 = 48,122.15 : x
  2. Step 2: Convert to fraction form
    119,217.87/178,787.32 = 48,122.15/x
  3. Step 3: Cross multiply
    119,217.87x = 178,787.32 × 48,122.15
  4. Step 4: Simplify right side
    119,217.87x = 8,603,629,216.90
  5. Step 5: Solve for x
    x = 8,603,629,216.90/119,217.87
  6. Step 6: Final answer
    x = 72,167.28

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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.