Home / 247,981.57-371,998.31-105,841.96

Finding the Fourth Proportional to 247,981.57, 371,998.31 and 105,841.96

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Solution

The fourth proportional to 247,981.57, 371,998.31 and 105,841.96 is: 158,774.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,981.57 : 371,998.31 = 105,841.96 : x
  2. Step 2: Convert to fraction form
    247,981.57/371,998.31 = 105,841.96/x
  3. Step 3: Cross multiply
    247,981.57x = 371,998.31 × 105,841.96
  4. Step 4: Simplify right side
    247,981.57x = 39,373,028,787.88
  5. Step 5: Solve for x
    x = 39,373,028,787.88/247,981.57
  6. Step 6: Final answer
    x = 158,774.01

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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.