Home / 187,282-280,950.96-68,944.24

Finding the Fourth Proportional to 187,282, 280,950.96 and 68,944.24

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Solution

The fourth proportional to 187,282, 280,950.96 and 68,944.24 is: 103,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,282 : 280,950.96 = 68,944.24 : x
  2. Step 2: Convert to fraction form
    187,282/280,950.96 = 68,944.24/x
  3. Step 3: Cross multiply
    187,282x = 280,950.96 × 68,944.24
  4. Step 4: Simplify right side
    187,282x = 19,369,950,414.47
  5. Step 5: Solve for x
    x = 19,369,950,414.47/187,282
  6. Step 6: Final answer
    x = 103,426.65

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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.