Home / 187,781.39-281,718.16-54,662.84

Finding the Fourth Proportional to 187,781.39, 281,718.16 and 54,662.84

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Solution

The fourth proportional to 187,781.39, 281,718.16 and 54,662.84 is: 82,007.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,781.39 : 281,718.16 = 54,662.84 : x
  2. Step 2: Convert to fraction form
    187,781.39/281,718.16 = 54,662.84/x
  3. Step 3: Cross multiply
    187,781.39x = 281,718.16 × 54,662.84
  4. Step 4: Simplify right side
    187,781.39x = 15,399,513,159.93
  5. Step 5: Solve for x
    x = 15,399,513,159.93/187,781.39
  6. Step 6: Final answer
    x = 82,007.67

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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.