Home / 187,292.72-280,896.94-54,143.32

Finding the Fourth Proportional to 187,292.72, 280,896.94 and 54,143.32

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Solution

The fourth proportional to 187,292.72, 280,896.94 and 54,143.32 is: 81,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,292.72 : 280,896.94 = 54,143.32 : x
  2. Step 2: Convert to fraction form
    187,292.72/280,896.94 = 54,143.32/x
  3. Step 3: Cross multiply
    187,292.72x = 280,896.94 × 54,143.32
  4. Step 4: Simplify right side
    187,292.72x = 15,208,692,909.44
  5. Step 5: Solve for x
    x = 15,208,692,909.44/187,292.72
  6. Step 6: Final answer
    x = 81,202.80

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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.