Home / 187,348.68-281,064.06-54,234.36

Finding the Fourth Proportional to 187,348.68, 281,064.06 and 54,234.36

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Solution

The fourth proportional to 187,348.68, 281,064.06 and 54,234.36 is: 81,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,348.68 : 281,064.06 = 54,234.36 : x
  2. Step 2: Convert to fraction form
    187,348.68/281,064.06 = 54,234.36/x
  3. Step 3: Cross multiply
    187,348.68x = 281,064.06 × 54,234.36
  4. Step 4: Simplify right side
    187,348.68x = 15,243,329,413.10
  5. Step 5: Solve for x
    x = 15,243,329,413.10/187,348.68
  6. Step 6: Final answer
    x = 81,363.42

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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.