Home / 187,288.94-280,801.98-68,945.10

Finding the Fourth Proportional to 187,288.94, 280,801.98 and 68,945.10

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Solution

The fourth proportional to 187,288.94, 280,801.98 and 68,945.10 is: 103,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,288.94 : 280,801.98 = 68,945.10 : x
  2. Step 2: Convert to fraction form
    187,288.94/280,801.98 = 68,945.10/x
  3. Step 3: Cross multiply
    187,288.94x = 280,801.98 × 68,945.10
  4. Step 4: Simplify right side
    187,288.94x = 19,359,920,591.30
  5. Step 5: Solve for x
    x = 19,359,920,591.30/187,288.94
  6. Step 6: Final answer
    x = 103,369.27

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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.