Home / 187,084.77-280,737.87-68,839.16

Finding the Fourth Proportional to 187,084.77, 280,737.87 and 68,839.16

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Solution

The fourth proportional to 187,084.77, 280,737.87 and 68,839.16 is: 103,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,084.77 : 280,737.87 = 68,839.16 : x
  2. Step 2: Convert to fraction form
    187,084.77/280,737.87 = 68,839.16/x
  3. Step 3: Cross multiply
    187,084.77x = 280,737.87 × 68,839.16
  4. Step 4: Simplify right side
    187,084.77x = 19,325,757,747.30
  5. Step 5: Solve for x
    x = 19,325,757,747.30/187,084.77
  6. Step 6: Final answer
    x = 103,299.47

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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.