Home / 204,787.95-307,320.32-71,669.40

Finding the Fourth Proportional to 204,787.95, 307,320.32 and 71,669.40

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Solution

The fourth proportional to 204,787.95, 307,320.32 and 71,669.40 is: 107,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,787.95 : 307,320.32 = 71,669.40 : x
  2. Step 2: Convert to fraction form
    204,787.95/307,320.32 = 71,669.40/x
  3. Step 3: Cross multiply
    204,787.95x = 307,320.32 × 71,669.40
  4. Step 4: Simplify right side
    204,787.95x = 22,025,462,942.21
  5. Step 5: Solve for x
    x = 22,025,462,942.21/204,787.95
  6. Step 6: Final answer
    x = 107,552.53

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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.