Home / 187,769.76-280,288.76-173,893.25

Finding the Fourth Proportional to 187,769.76, 280,288.76 and 173,893.25

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Solution

The fourth proportional to 187,769.76, 280,288.76 and 173,893.25 is: 259,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,769.76 : 280,288.76 = 173,893.25 : x
  2. Step 2: Convert to fraction form
    187,769.76/280,288.76 = 173,893.25/x
  3. Step 3: Cross multiply
    187,769.76x = 280,288.76 × 173,893.25
  4. Step 4: Simplify right side
    187,769.76x = 48,740,321,143.96
  5. Step 5: Solve for x
    x = 48,740,321,143.96/187,769.76
  6. Step 6: Final answer
    x = 259,574.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.