Home / 187,756.87-281,632.21-45,603.31

Finding the Fourth Proportional to 187,756.87, 281,632.21 and 45,603.31

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Solution

The fourth proportional to 187,756.87, 281,632.21 and 45,603.31 is: 68,404.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,756.87 : 281,632.21 = 45,603.31 : x
  2. Step 2: Convert to fraction form
    187,756.87/281,632.21 = 45,603.31/x
  3. Step 3: Cross multiply
    187,756.87x = 281,632.21 × 45,603.31
  4. Step 4: Simplify right side
    187,756.87x = 12,843,360,978.62
  5. Step 5: Solve for x
    x = 12,843,360,978.62/187,756.87
  6. Step 6: Final answer
    x = 68,404.21

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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.