Home / 187,271.97-280,935.96-68,934.30

Finding the Fourth Proportional to 187,271.97, 280,935.96 and 68,934.30

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Solution

The fourth proportional to 187,271.97, 280,935.96 and 68,934.30 is: 103,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,271.97 : 280,935.96 = 68,934.30 : x
  2. Step 2: Convert to fraction form
    187,271.97/280,935.96 = 68,934.30/x
  3. Step 3: Cross multiply
    187,271.97x = 280,935.96 × 68,934.30
  4. Step 4: Simplify right side
    187,271.97x = 19,366,123,747.43
  5. Step 5: Solve for x
    x = 19,366,123,747.43/187,271.97
  6. Step 6: Final answer
    x = 103,411.76

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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.