Home / 187,271.52-280,935.24-68,933.87

Finding the Fourth Proportional to 187,271.52, 280,935.24 and 68,933.87

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Solution

The fourth proportional to 187,271.52, 280,935.24 and 68,933.87 is: 103,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,271.52 : 280,935.24 = 68,933.87 : x
  2. Step 2: Convert to fraction form
    187,271.52/280,935.24 = 68,933.87/x
  3. Step 3: Cross multiply
    187,271.52x = 280,935.24 × 68,933.87
  4. Step 4: Simplify right side
    187,271.52x = 19,365,951,907.90
  5. Step 5: Solve for x
    x = 19,365,951,907.90/187,271.52
  6. Step 6: Final answer
    x = 103,411.09

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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.