Home / 187,994.21-281,332.38-134,744.90

Finding the Fourth Proportional to 187,994.21, 281,332.38 and 134,744.90

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Solution

The fourth proportional to 187,994.21, 281,332.38 and 134,744.90 is: 201,645.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,994.21 : 281,332.38 = 134,744.90 : x
  2. Step 2: Convert to fraction form
    187,994.21/281,332.38 = 134,744.90/x
  3. Step 3: Cross multiply
    187,994.21x = 281,332.38 × 134,744.90
  4. Step 4: Simplify right side
    187,994.21x = 37,908,103,409.86
  5. Step 5: Solve for x
    x = 37,908,103,409.86/187,994.21
  6. Step 6: Final answer
    x = 201,645.06

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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.