Home / 187,488.46-281,174.74-54,378.50

Finding the Fourth Proportional to 187,488.46, 281,174.74 and 54,378.50

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Solution

The fourth proportional to 187,488.46, 281,174.74 and 54,378.50 is: 81,550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,488.46 : 281,174.74 = 54,378.50 : x
  2. Step 2: Convert to fraction form
    187,488.46/281,174.74 = 54,378.50/x
  3. Step 3: Cross multiply
    187,488.46x = 281,174.74 × 54,378.50
  4. Step 4: Simplify right side
    187,488.46x = 15,289,860,599.09
  5. Step 5: Solve for x
    x = 15,289,860,599.09/187,488.46
  6. Step 6: Final answer
    x = 81,550.94

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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.