Home / 247,834.65-371,542.98-107,487.57

Finding the Fourth Proportional to 247,834.65, 371,542.98 and 107,487.57

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Solution

The fourth proportional to 247,834.65, 371,542.98 and 107,487.57 is: 161,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,834.65 : 371,542.98 = 107,487.57 : x
  2. Step 2: Convert to fraction form
    247,834.65/371,542.98 = 107,487.57/x
  3. Step 3: Cross multiply
    247,834.65x = 371,542.98 × 107,487.57
  4. Step 4: Simplify right side
    247,834.65x = 39,936,252,070.76
  5. Step 5: Solve for x
    x = 39,936,252,070.76/247,834.65
  6. Step 6: Final answer
    x = 161,140.71

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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.